diff --git a/packages/datadog-plugin-ai/test/integration-test/client.spec.js b/packages/datadog-plugin-ai/test/integration-test/client.spec.js
index b1874a9c077..58fd7b2cd38 100644
--- a/packages/datadog-plugin-ai/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-ai/test/integration-test/client.spec.js
@@ -63,7 +63,7 @@ describe('esm', () => {
         assert.fail('No ai spans found')
       })
 
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port, null, {
+      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port, {
         NODE_OPTIONS: '--import dd-trace/initialize.mjs'
       })
 
diff --git a/packages/datadog-plugin-anthropic/test/integration-test/client.spec.js b/packages/datadog-plugin-anthropic/test/integration-test/client.spec.js
index 6f06527336f..d45b35a39da 100644
--- a/packages/datadog-plugin-anthropic/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-anthropic/test/integration-test/client.spec.js
@@ -45,7 +45,7 @@ describe('esm', () => {
         assert.strictEqual(checkSpansForServiceName(payload, 'anthropic.request'), true)
       })
 
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port, null, {
+      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port, {
         NODE_OPTIONS: '--import dd-trace/initialize.mjs',
         ANTHROPIC_API_KEY: '<not-a-real-key>'
       })
diff --git a/packages/datadog-plugin-aws-sdk/test/integration-test/client.spec.js b/packages/datadog-plugin-aws-sdk/test/integration-test/client.spec.js
index 4e93c23fa77..b1a8c656c88 100644
--- a/packages/datadog-plugin-aws-sdk/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-aws-sdk/test/integration-test/client.spec.js
@@ -41,7 +41,7 @@ describe('esm', () => {
         assert.strictEqual(checkSpansForServiceName(payload, 'aws.request'), true)
       })
 
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port, undefined,
+      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port,
         {
           AWS_SECRET_ACCESS_KEY: '0000000000/00000000000000000000000000000',
           AWS_ACCESS_KEY_ID: '00000000000000000000'
diff --git a/packages/datadog-plugin-axios/test/integration-test/client.spec.js b/packages/datadog-plugin-axios/test/integration-test/client.spec.js
index 13f0bb0978b..37c5be73af5 100644
--- a/packages/datadog-plugin-axios/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-axios/test/integration-test/client.spec.js
@@ -1,27 +1,24 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
-  createSandbox,
   checkSpansForServiceName,
   spawnPluginIntegrationTestProc
 } = require('../../../../integration-tests/helpers')
-const { assert } = require('chai')
+const { insertVersionDep } = require('../../../dd-trace/test/setup/mocha')
 
 describe('esm', () => {
   let agent
   let proc
-  let sandbox
+  const env = {
+    NODE_OPTIONS: `--loader=${join(__dirname, '..', '..', '..', '..', 'initialize.mjs')}`
+  }
 
-  before(async function () {
-    this.timeout(60000)
-    sandbox = await createSandbox(['axios'], false, [
-      './packages/datadog-plugin-axios/test/integration-test/*'])
-  })
-
-  after(async () => {
-    await sandbox.remove()
-  })
+  insertVersionDep(__dirname, 'axios', '*')
 
   beforeEach(async () => {
     agent = await new FakeAgent().start()
@@ -40,7 +37,7 @@ describe('esm', () => {
         assert.strictEqual(checkSpansForServiceName(payload, 'http.request'), true)
       })
 
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port)
+      proc = await spawnPluginIntegrationTestProc(__dirname, 'server.mjs', agent.port, env)
 
       await res
     }).timeout(20000)
diff --git a/packages/datadog-plugin-azure-functions/test/integration-test/http-test/client.spec.js b/packages/datadog-plugin-azure-functions/test/integration-test/http-test/client.spec.js
index ff9b3d20246..01db87ea93a 100644
--- a/packages/datadog-plugin-azure-functions/test/integration-test/http-test/client.spec.js
+++ b/packages/datadog-plugin-azure-functions/test/integration-test/http-test/client.spec.js
@@ -78,6 +78,7 @@ describe('esm', () => {
   })
 })
 
+// TODO(BridgeAR): Unify with other helper of the same name.
 async function spawnPluginIntegrationTestProc (cwd, command, args, agentPort, stdioHandler, additionalEnvArgs = {}) {
   let env = {
     NODE_OPTIONS: `--loader=${hookFile} func start`,
diff --git a/packages/datadog-plugin-couchbase/test/integration-test/client.spec.js b/packages/datadog-plugin-couchbase/test/integration-test/client.spec.js
index 0edf5fda001..99a8eca68d7 100644
--- a/packages/datadog-plugin-couchbase/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-couchbase/test/integration-test/client.spec.js
@@ -1,30 +1,26 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
-  createSandbox,
   checkSpansForServiceName,
   spawnPluginIntegrationTestProc
 } = require('../../../../integration-tests/helpers')
-const { withVersions } = require('../../../dd-trace/test/setup/mocha')
-const { assert } = require('chai')
+const { withVersions, insertVersionDep } = require('../../../dd-trace/test/setup/mocha')
 
 describe('esm', () => {
   let agent
   let proc
-  let sandbox
+  const env = {
+    NODE_OPTIONS: `--loader=${join(__dirname, '..', '..', '..', '..', 'initialize.mjs')}`
+  }
 
   // test against later versions because server.mjs uses newer package syntax
   withVersions('couchbase', 'couchbase', '>=4.0.0', version => {
-    before(async function () {
-      this.timeout(60000)
-      sandbox = await createSandbox([`'couchbase@${version}'`], false, [
-        './packages/datadog-plugin-couchbase/test/integration-test/*'])
-    })
-
-    after(async () => {
-      await sandbox.remove()
-    })
+    insertVersionDep(__dirname, 'couchbase', version)
 
     beforeEach(async () => {
       agent = await new FakeAgent().start()
@@ -42,7 +38,7 @@ describe('esm', () => {
         assert.strictEqual(checkSpansForServiceName(payload, 'couchbase.upsert'), true)
       })
 
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port)
+      proc = await spawnPluginIntegrationTestProc(__dirname, 'server.mjs', agent.port, env)
       await res
     }).timeout(20000)
   })
diff --git a/packages/datadog-plugin-couchbase/test/integration-test/server.mjs b/packages/datadog-plugin-couchbase/test/integration-test/server.mjs
index 452b2d6ce47..a26ed947d4d 100644
--- a/packages/datadog-plugin-couchbase/test/integration-test/server.mjs
+++ b/packages/datadog-plugin-couchbase/test/integration-test/server.mjs
@@ -1,4 +1,3 @@
-import 'dd-trace/init.js'
 import { connect } from 'couchbase'
 
 const cluster = await connect(
diff --git a/packages/datadog-plugin-fastify/test/integration-test/client.spec.js b/packages/datadog-plugin-fastify/test/integration-test/client.spec.js
index 46ca79bc837..06a868ff9cc 100644
--- a/packages/datadog-plugin-fastify/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-fastify/test/integration-test/client.spec.js
@@ -1,5 +1,9 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
   curlAndAssertMessage,
@@ -7,8 +11,6 @@ const {
   spawnPluginIntegrationTestProc
 } = require('../../../../integration-tests/helpers')
 const { withVersions, insertVersionDep } = require('../../../dd-trace/test/setup/mocha')
-const { assert } = require('chai')
-const { join } = require('path')
 
 describe('esm', () => {
   let agent
diff --git a/packages/datadog-plugin-google-cloud-pubsub/test/integration-test/client.spec.js b/packages/datadog-plugin-google-cloud-pubsub/test/integration-test/client.spec.js
index d84b0b69e99..9bbc0a1bcc6 100644
--- a/packages/datadog-plugin-google-cloud-pubsub/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-google-cloud-pubsub/test/integration-test/client.spec.js
@@ -41,7 +41,7 @@ describe('esm', () => {
         assert.strictEqual(checkSpansForServiceName(payload, 'pubsub.request'), true)
       })
 
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port, undefined,
+      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port,
         { PUBSUB_EMULATOR_HOST: 'localhost:8081' })
 
       await res
diff --git a/packages/datadog-plugin-hapi/test/integration-test/client.spec.js b/packages/datadog-plugin-hapi/test/integration-test/client.spec.js
index a6e38641fc0..da8c1cd37c1 100644
--- a/packages/datadog-plugin-hapi/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-hapi/test/integration-test/client.spec.js
@@ -1,30 +1,26 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
-  createSandbox,
   curlAndAssertMessage,
   checkSpansForServiceName,
   spawnPluginIntegrationTestProc
 } = require('../../../../integration-tests/helpers')
-const { withVersions } = require('../../../dd-trace/test/setup/mocha')
-const { assert } = require('chai')
+const { withVersions, insertVersionDep } = require('../../../dd-trace/test/setup/mocha')
 
 describe('esm', () => {
   let agent
   let proc
-  let sandbox
+  const env = {
+    NODE_OPTIONS: `--loader=${join(__dirname, '..', '..', '..', '..', 'initialize.mjs')}`
+  }
 
   withVersions('hapi', '@hapi/hapi', version => {
-    before(async function () {
-      this.timeout(60000)
-      sandbox = await createSandbox([`'@hapi/hapi@${version}'`], false, [
-        './packages/datadog-plugin-hapi/test/integration-test/*'])
-    })
-
-    after(async () => {
-      await sandbox.remove()
-    })
+    insertVersionDep(__dirname, '@hapi/hapi', version)
 
     beforeEach(async () => {
       agent = await new FakeAgent().start()
@@ -36,7 +32,7 @@ describe('esm', () => {
     })
 
     it('is instrumented', async () => {
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port)
+      proc = await spawnPluginIntegrationTestProc(__dirname, 'server.mjs', agent.port, env)
 
       return curlAndAssertMessage(agent, proc, ({ headers, payload }) => {
         assert.propertyVal(headers, 'host', `127.0.0.1:${agent.port}`)
diff --git a/packages/datadog-plugin-hapi/test/integration-test/server.mjs b/packages/datadog-plugin-hapi/test/integration-test/server.mjs
index 32f7373ad1e..7a7884c027c 100644
--- a/packages/datadog-plugin-hapi/test/integration-test/server.mjs
+++ b/packages/datadog-plugin-hapi/test/integration-test/server.mjs
@@ -1,4 +1,3 @@
-import 'dd-trace/init.js'
 import Hapi from '@hapi/hapi'
 
 const server = Hapi.server({ port: 0, host: 'localhost' })
diff --git a/packages/datadog-plugin-hono/test/integration-test/client.spec.js b/packages/datadog-plugin-hono/test/integration-test/client.spec.js
index b9d71d7cbe4..f792541d4c4 100644
--- a/packages/datadog-plugin-hono/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-hono/test/integration-test/client.spec.js
@@ -36,7 +36,7 @@ describe('esm integration test', () => {
     })
 
     it('is instrumented', async () => {
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port, undefined, {
+      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port, {
         VERSION: version
       })
       proc.url += '/hello'
@@ -48,7 +48,7 @@ describe('esm integration test', () => {
     }).timeout(50000)
 
     it('receives missing route trace', async () => {
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port, undefined, {
+      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port, {
         VERSION: version
       })
       proc.url += '/missing'
diff --git a/packages/datadog-plugin-http/test/integration-test/client.spec.js b/packages/datadog-plugin-http/test/integration-test/client.spec.js
index 6c4b07ba3d1..b672bb88beb 100644
--- a/packages/datadog-plugin-http/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-http/test/integration-test/client.spec.js
@@ -1,27 +1,21 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
-  createSandbox,
   curlAndAssertMessage,
   spawnPluginIntegrationTestProc
 } = require('../../../../integration-tests/helpers')
-const { assert } = require('chai')
 
 describe('esm', () => {
   let agent
   let proc
-  let sandbox
-
-  before(async function () {
-    this.timeout(60000)
-    sandbox = await createSandbox([], false, [
-      './packages/datadog-plugin-http/test/integration-test/*'])
-  })
-
-  after(async () => {
-    await sandbox.remove()
-  })
+  const env = {
+    NODE_OPTIONS: `--loader=${join(__dirname, '..', '..', '..', '..', 'initialize.mjs')}`
+  }
 
   beforeEach(async () => {
     agent = await new FakeAgent().start()
@@ -34,7 +28,7 @@ describe('esm', () => {
 
   context('http', () => {
     it('is instrumented', async () => {
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port)
+      proc = await spawnPluginIntegrationTestProc(__dirname, 'server.mjs', agent.port, env)
 
       return curlAndAssertMessage(agent, proc, ({ headers, payload }) => {
         assert.propertyVal(headers, 'host', `127.0.0.1:${agent.port}`)
diff --git a/packages/datadog-plugin-http/test/integration-test/server.mjs b/packages/datadog-plugin-http/test/integration-test/server.mjs
index 762cb7e9c84..8b617b34c91 100644
--- a/packages/datadog-plugin-http/test/integration-test/server.mjs
+++ b/packages/datadog-plugin-http/test/integration-test/server.mjs
@@ -1,4 +1,3 @@
-import 'dd-trace/init.js'
 import http from 'http'
 
 const server = http.createServer(async (req, res) => {
diff --git a/packages/datadog-plugin-iovalkey/test/integration-test/client.spec.js b/packages/datadog-plugin-iovalkey/test/integration-test/client.spec.js
index 57da3d2f2a5..2edd330c4a2 100644
--- a/packages/datadog-plugin-iovalkey/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-iovalkey/test/integration-test/client.spec.js
@@ -1,28 +1,25 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
-  createSandbox,
   checkSpansForServiceName,
   spawnPluginIntegrationTestProc
 } = require('../../../../integration-tests/helpers')
-const { withVersions } = require('../../../dd-trace/test/setup/mocha')
-const { assert } = require('chai')
+const { withVersions, insertVersionDep } = require('../../../dd-trace/test/setup/mocha')
 
 describe('esm', () => {
   let agent
   let proc
-  let sandbox
-  withVersions('iovalkey', 'iovalkey', version => {
-    before(async function () {
-      this.timeout(60000)
-      sandbox = await createSandbox([`'iovalkey@${version}'`], false, [
-        './packages/datadog-plugin-iovalkey/test/integration-test/*'])
-    })
+  const env = {
+    NODE_OPTIONS: `--loader=${join(__dirname, '..', '..', '..', '..', 'initialize.mjs')}`
+  }
 
-    after(async () => {
-      await sandbox.remove()
-    })
+  withVersions('iovalkey', 'iovalkey', version => {
+    insertVersionDep(__dirname, 'iovalkey', version)
 
     beforeEach(async () => {
       agent = await new FakeAgent().start()
@@ -40,7 +37,7 @@ describe('esm', () => {
         assert.strictEqual(checkSpansForServiceName(payload, 'valkey.command'), true)
       })
 
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port)
+      proc = await spawnPluginIntegrationTestProc(__dirname, 'server.mjs', agent.port, env)
 
       await res
     }).timeout(20000)
diff --git a/packages/datadog-plugin-iovalkey/test/integration-test/server.mjs b/packages/datadog-plugin-iovalkey/test/integration-test/server.mjs
index f333ae859d4..5d2350e41c4 100644
--- a/packages/datadog-plugin-iovalkey/test/integration-test/server.mjs
+++ b/packages/datadog-plugin-iovalkey/test/integration-test/server.mjs
@@ -1,4 +1,3 @@
-import 'dd-trace/init.js'
 import Valkey from 'iovalkey'
 
 const client = new Valkey({ connectionName: 'test' })
diff --git a/packages/datadog-plugin-kafkajs/test/integration-test/client.spec.js b/packages/datadog-plugin-kafkajs/test/integration-test/client.spec.js
index b778a36e3b7..c5777605718 100644
--- a/packages/datadog-plugin-kafkajs/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-kafkajs/test/integration-test/client.spec.js
@@ -1,28 +1,25 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
-  createSandbox,
   checkSpansForServiceName,
   spawnPluginIntegrationTestProc
 } = require('../../../../integration-tests/helpers')
-const { withVersions } = require('../../../dd-trace/test/setup/mocha')
-const { assert } = require('chai')
+const { withVersions, insertVersionDep } = require('../../../dd-trace/test/setup/mocha')
 
 describe('esm', () => {
   let agent
   let proc
-  let sandbox
-  withVersions('kafkajs', 'kafkajs', version => {
-    before(async function () {
-      this.timeout(60000)
-      sandbox = await createSandbox([`'kafkajs@${version}'`], false, [
-        './packages/datadog-plugin-kafkajs/test/integration-test/*'])
-    })
+  const env = {
+    NODE_OPTIONS: `--loader=${join(__dirname, '..', '..', '..', '..', 'initialize.mjs')}`
+  }
 
-    after(async () => {
-      await sandbox.remove()
-    })
+  withVersions('kafkajs', 'kafkajs', version => {
+    insertVersionDep(__dirname, 'kafkajs', version)
 
     beforeEach(async () => {
       agent = await new FakeAgent().start()
@@ -40,7 +37,7 @@ describe('esm', () => {
         assert.strictEqual(checkSpansForServiceName(payload, 'kafka.produce'), true)
       })
 
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port)
+      proc = await spawnPluginIntegrationTestProc(__dirname, 'server.mjs', agent.port, env)
 
       await res
     }).timeout(20000)
diff --git a/packages/datadog-plugin-kafkajs/test/integration-test/server.mjs b/packages/datadog-plugin-kafkajs/test/integration-test/server.mjs
index 342d98b909b..ed9e3d60f20 100644
--- a/packages/datadog-plugin-kafkajs/test/integration-test/server.mjs
+++ b/packages/datadog-plugin-kafkajs/test/integration-test/server.mjs
@@ -1,4 +1,3 @@
-import 'dd-trace/init.js'
 import { Kafka } from 'kafkajs'
 
 const kafka = new Kafka({
diff --git a/packages/datadog-plugin-langchain/test/integration-test/client.spec.js b/packages/datadog-plugin-langchain/test/integration-test/client.spec.js
index 3dcf3fbfe78..34b67e2f1b9 100644
--- a/packages/datadog-plugin-langchain/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-langchain/test/integration-test/client.spec.js
@@ -46,7 +46,7 @@ describe('esm', () => {
         assert.strictEqual(checkSpansForServiceName(payload, 'langchain.request'), true)
       })
 
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port, null, {
+      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port, {
         NODE_OPTIONS: '--import dd-trace/initialize.mjs'
       })
 
diff --git a/packages/datadog-plugin-mariadb/test/integration-test/client.spec.js b/packages/datadog-plugin-mariadb/test/integration-test/client.spec.js
index 387b41d6866..2025d7daba8 100644
--- a/packages/datadog-plugin-mariadb/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-mariadb/test/integration-test/client.spec.js
@@ -1,30 +1,26 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
-  createSandbox,
   checkSpansForServiceName,
   spawnPluginIntegrationTestProc
 } = require('../../../../integration-tests/helpers')
-const { withVersions } = require('../../../dd-trace/test/setup/mocha')
-const { assert } = require('chai')
+const { withVersions, insertVersionDep } = require('../../../dd-trace/test/setup/mocha')
 
 describe('esm', () => {
   let agent
   let proc
-  let sandbox
+  const env = {
+    NODE_OPTIONS: `--loader=${join(__dirname, '..', '..', '..', '..', 'initialize.mjs')}`
+  }
 
   // test against later versions because server.mjs uses newer package syntax
   withVersions('mariadb', 'mariadb', '>=3.0.0', version => {
-    before(async function () {
-      this.timeout(60000)
-      sandbox = await createSandbox([`'mariadb@${version}'`], false, [
-        './packages/datadog-plugin-mariadb/test/integration-test/*'])
-    })
-
-    after(async () => {
-      await sandbox.remove()
-    })
+    insertVersionDep(__dirname, 'mariadb', version)
 
     beforeEach(async () => {
       agent = await new FakeAgent().start()
@@ -42,7 +38,7 @@ describe('esm', () => {
         assert.strictEqual(checkSpansForServiceName(payload, 'mariadb.query'), true)
       })
 
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port)
+      proc = await spawnPluginIntegrationTestProc(__dirname, 'server.mjs', agent.port, env)
 
       await res
     }).timeout(20000)
diff --git a/packages/datadog-plugin-mariadb/test/integration-test/server.mjs b/packages/datadog-plugin-mariadb/test/integration-test/server.mjs
index 30d0bcc0ae3..f4c60a04a00 100644
--- a/packages/datadog-plugin-mariadb/test/integration-test/server.mjs
+++ b/packages/datadog-plugin-mariadb/test/integration-test/server.mjs
@@ -1,4 +1,3 @@
-import 'dd-trace/init.js'
 import mariadb from 'mariadb'
 
 const pool = mariadb.createPool({
diff --git a/packages/datadog-plugin-mysql2/test/integration-test/client.spec.js b/packages/datadog-plugin-mysql2/test/integration-test/client.spec.js
index 8997d50f168..618c8a9c4e8 100644
--- a/packages/datadog-plugin-mysql2/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-mysql2/test/integration-test/client.spec.js
@@ -1,5 +1,9 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
   createSandbox,
diff --git a/packages/datadog-plugin-next/test/integration-test/client.spec.js b/packages/datadog-plugin-next/test/integration-test/client.spec.js
index 798115fe239..ce82e4a0766 100644
--- a/packages/datadog-plugin-next/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-next/test/integration-test/client.spec.js
@@ -44,7 +44,7 @@ describe('esm', () => {
 
     for (const variant of varySandbox.VARIANTS) {
       it(`is instrumented loaded with ${variant}`, async () => {
-        proc = await spawnPluginIntegrationTestProc(sandbox.folder, variants[variant], agent.port, undefined, {
+        proc = await spawnPluginIntegrationTestProc(sandbox.folder, variants[variant], agent.port, {
           NODE_OPTIONS: `--loader=${hookFile} --require dd-trace/init --openssl-legacy-provider`
         })
         return curlAndAssertMessage(agent, proc, ({ headers, payload }) => {
diff --git a/packages/datadog-plugin-oracledb/test/integration-test/client.spec.js b/packages/datadog-plugin-oracledb/test/integration-test/client.spec.js
index 5fb44e0d0db..9961295b459 100644
--- a/packages/datadog-plugin-oracledb/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-oracledb/test/integration-test/client.spec.js
@@ -1,29 +1,25 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
-  createSandbox,
   checkSpansForServiceName,
   spawnPluginIntegrationTestProc
 } = require('../../../../integration-tests/helpers')
-const { withVersions } = require('../../../dd-trace/test/setup/mocha')
-const { assert } = require('chai')
+const { withVersions, insertVersionDep } = require('../../../dd-trace/test/setup/mocha')
 
 describe('esm', () => {
   let agent
   let proc
-  let sandbox
+  const env = {
+    NODE_OPTIONS: `--loader=${join(__dirname, '..', '..', '..', '..', 'initialize.mjs')}`
+  }
 
   withVersions('oracledb', 'oracledb', version => {
-    before(async function () {
-      this.timeout(60000)
-      sandbox = await createSandbox([`'oracledb@${version}'`], false, [
-        './packages/datadog-plugin-oracledb/test/integration-test/*'])
-    })
-
-    after(async () => {
-      await sandbox.remove()
-    })
+    insertVersionDep(__dirname, 'oracledb', version)
 
     beforeEach(async () => {
       agent = await new FakeAgent().start()
@@ -41,7 +37,7 @@ describe('esm', () => {
         assert.strictEqual(checkSpansForServiceName(payload, 'oracle.query'), true)
       })
 
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port)
+      proc = await spawnPluginIntegrationTestProc(__dirname, 'server.mjs', agent.port, env)
 
       await res
     }).timeout(20000)
diff --git a/packages/datadog-plugin-oracledb/test/integration-test/server.mjs b/packages/datadog-plugin-oracledb/test/integration-test/server.mjs
index 5c01b4e58c9..67f8bbd2cbc 100644
--- a/packages/datadog-plugin-oracledb/test/integration-test/server.mjs
+++ b/packages/datadog-plugin-oracledb/test/integration-test/server.mjs
@@ -1,4 +1,3 @@
-import 'dd-trace/init.js'
 import oracledb from 'oracledb'
 
 const hostname = 'localhost'
diff --git a/packages/datadog-plugin-redis/test/integration-test/client.spec.js b/packages/datadog-plugin-redis/test/integration-test/client.spec.js
index 6017ad3966c..803c8588d58 100644
--- a/packages/datadog-plugin-redis/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-redis/test/integration-test/client.spec.js
@@ -1,29 +1,26 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
-  createSandbox,
   checkSpansForServiceName,
   spawnPluginIntegrationTestProc
 } = require('../../../../integration-tests/helpers')
-const { withVersions } = require('../../../dd-trace/test/setup/mocha')
-const { assert } = require('chai')
+const { withVersions, insertVersionDep } = require('../../../dd-trace/test/setup/mocha')
 
 describe('esm', () => {
   let agent
   let proc
-  let sandbox
+  const env = {
+    NODE_OPTIONS: `--loader=${join(__dirname, '..', '..', '..', '..', 'initialize.mjs')}`
+  }
+
   // test against later versions because server.mjs uses newer package syntax
   withVersions('redis', 'redis', '>=4', version => {
-    before(async function () {
-      this.timeout(60000)
-      sandbox = await createSandbox([`'redis@${version}'`], false, [
-        './packages/datadog-plugin-redis/test/integration-test/*'])
-    })
-
-    after(async () => {
-      await sandbox.remove()
-    })
+    insertVersionDep(__dirname, 'redis', version)
 
     beforeEach(async () => {
       agent = await new FakeAgent().start()
@@ -41,7 +38,7 @@ describe('esm', () => {
         assert.strictEqual(checkSpansForServiceName(payload, 'redis.command'), true)
       })
 
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port)
+      proc = await spawnPluginIntegrationTestProc(__dirname, 'server.mjs', agent.port, env)
 
       await res
     }).timeout(20000)
diff --git a/packages/datadog-plugin-redis/test/integration-test/server.mjs b/packages/datadog-plugin-redis/test/integration-test/server.mjs
index 7bedf14c5c4..ec90adab844 100644
--- a/packages/datadog-plugin-redis/test/integration-test/server.mjs
+++ b/packages/datadog-plugin-redis/test/integration-test/server.mjs
@@ -1,4 +1,3 @@
-import 'dd-trace/init.js'
 import redis from 'redis'
 
 const client = redis.createClient()
diff --git a/packages/datadog-plugin-restify/test/integration-test/client.spec.js b/packages/datadog-plugin-restify/test/integration-test/client.spec.js
index aded6631aba..7ab7747ec3c 100644
--- a/packages/datadog-plugin-restify/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-restify/test/integration-test/client.spec.js
@@ -1,31 +1,27 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
-  createSandbox,
   curlAndAssertMessage,
   checkSpansForServiceName,
   spawnPluginIntegrationTestProc
 } = require('../../../../integration-tests/helpers')
-const { withVersions } = require('../../../dd-trace/test/setup/mocha')
-const { assert } = require('chai')
+const { withVersions, insertVersionDep } = require('../../../dd-trace/test/setup/mocha')
 
 describe('esm', () => {
   let agent
   let proc
-  let sandbox
+  const env = {
+    NODE_OPTIONS: `--loader=${join(__dirname, '..', '..', '..', '..', 'initialize.mjs')}`
+  }
 
   // test against later versions because server.mjs uses newer package syntax
   withVersions('restify', 'restify', '>3', version => {
-    before(async function () {
-      this.timeout(60000)
-      sandbox = await createSandbox([`'restify@${version}'`],
-        false, ['./packages/datadog-plugin-restify/test/integration-test/*'])
-    })
-
-    after(async () => {
-      await sandbox.remove()
-    })
+    insertVersionDep(__dirname, 'restify', version)
 
     beforeEach(async () => {
       agent = await new FakeAgent().start()
@@ -37,7 +33,7 @@ describe('esm', () => {
     })
 
     it('is instrumented', async () => {
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port)
+      proc = await spawnPluginIntegrationTestProc(__dirname, 'server.mjs', agent.port, env)
 
       return curlAndAssertMessage(agent, proc, ({ headers, payload }) => {
         assert.propertyVal(headers, 'host', `127.0.0.1:${agent.port}`)
diff --git a/packages/datadog-plugin-restify/test/integration-test/server.mjs b/packages/datadog-plugin-restify/test/integration-test/server.mjs
index cfd5597a32b..8055b016e38 100644
--- a/packages/datadog-plugin-restify/test/integration-test/server.mjs
+++ b/packages/datadog-plugin-restify/test/integration-test/server.mjs
@@ -1,4 +1,3 @@
-import 'dd-trace/init.js'
 import restify from 'restify'
 
 const server = restify.createServer()
diff --git a/packages/datadog-plugin-rhea/test/integration-test/client.spec.js b/packages/datadog-plugin-rhea/test/integration-test/client.spec.js
index d90b1afba7b..4da953d471c 100644
--- a/packages/datadog-plugin-rhea/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-rhea/test/integration-test/client.spec.js
@@ -1,29 +1,25 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
-  createSandbox,
   checkSpansForServiceName,
   spawnPluginIntegrationTestProc
 } = require('../../../../integration-tests/helpers')
-const { withVersions } = require('../../../dd-trace/test/setup/mocha')
-const { assert } = require('chai')
+const { withVersions, insertVersionDep } = require('../../../dd-trace/test/setup/mocha')
 
 describe('esm', () => {
   let agent
   let proc
-  let sandbox
+  const env = {
+    NODE_OPTIONS: `--loader=${join(__dirname, '..', '..', '..', '..', 'initialize.mjs')}`
+  }
 
   withVersions('rhea', 'rhea', version => {
-    before(async function () {
-      this.timeout(60000)
-      sandbox = await createSandbox([`'rhea@${version}'`], false, [
-        './packages/datadog-plugin-rhea/test/integration-test/*'])
-    })
-
-    after(async () => {
-      await sandbox.remove()
-    })
+    insertVersionDep(__dirname, 'rhea', version)
 
     beforeEach(async () => {
       agent = await new FakeAgent().start()
@@ -41,7 +37,7 @@ describe('esm', () => {
         assert.strictEqual(checkSpansForServiceName(payload, 'amqp.send'), true)
       })
 
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port)
+      proc = await spawnPluginIntegrationTestProc(__dirname, 'server.mjs', agent.port, env)
 
       await res
     }).timeout(20000)
diff --git a/packages/datadog-plugin-rhea/test/integration-test/server.mjs b/packages/datadog-plugin-rhea/test/integration-test/server.mjs
index 9ea577d1821..6d4107fc20b 100644
--- a/packages/datadog-plugin-rhea/test/integration-test/server.mjs
+++ b/packages/datadog-plugin-rhea/test/integration-test/server.mjs
@@ -1,4 +1,3 @@
-import 'dd-trace/init.js'
 import container from 'rhea'
 
 container.on('connection_open', function (context) {
diff --git a/packages/datadog-plugin-router/test/integration-test/client.spec.js b/packages/datadog-plugin-router/test/integration-test/client.spec.js
index d412c529153..f3b5ba2e74b 100644
--- a/packages/datadog-plugin-router/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-router/test/integration-test/client.spec.js
@@ -1,30 +1,26 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
-  createSandbox,
   curlAndAssertMessage,
   checkSpansForServiceName,
   spawnPluginIntegrationTestProc
 } = require('../../../../integration-tests/helpers')
-const { withVersions } = require('../../../dd-trace/test/setup/mocha')
-const { assert } = require('chai')
+const { withVersions, insertVersionDep } = require('../../../dd-trace/test/setup/mocha')
 
 describe('esm', () => {
   let agent
   let proc
-  let sandbox
+  const env = {
+    NODE_OPTIONS: `--loader=${join(__dirname, '..', '..', '..', '..', 'initialize.mjs')}`
+  }
 
   withVersions('router', 'router', version => {
-    before(async function () {
-      this.timeout(60000)
-      sandbox = await createSandbox([`'router@${version}'`]
-        , false, ['./packages/datadog-plugin-router/test/integration-test/*'])
-    })
-
-    after(async () => {
-      await sandbox.remove()
-    })
+    insertVersionDep(__dirname, 'router', version)
 
     beforeEach(async () => {
       agent = await new FakeAgent().start()
@@ -36,7 +32,7 @@ describe('esm', () => {
     })
 
     it('is instrumented', async () => {
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port)
+      proc = await spawnPluginIntegrationTestProc(__dirname, 'server.mjs', agent.port, env)
 
       return curlAndAssertMessage(agent, proc, ({ headers, payload }) => {
         assert.propertyVal(headers, 'host', `127.0.0.1:${agent.port}`)
diff --git a/packages/datadog-plugin-router/test/integration-test/server.mjs b/packages/datadog-plugin-router/test/integration-test/server.mjs
index 205a71db047..7ac75b6b0f1 100644
--- a/packages/datadog-plugin-router/test/integration-test/server.mjs
+++ b/packages/datadog-plugin-router/test/integration-test/server.mjs
@@ -1,4 +1,3 @@
-import 'dd-trace/init.js'
 import router from 'router'
 import http from 'http'
 
diff --git a/packages/datadog-plugin-sharedb/test/integration-test/client.spec.js b/packages/datadog-plugin-sharedb/test/integration-test/client.spec.js
index 98c97cd61a9..a9d01204b0c 100644
--- a/packages/datadog-plugin-sharedb/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-sharedb/test/integration-test/client.spec.js
@@ -1,30 +1,26 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
-  createSandbox,
   checkSpansForServiceName,
   spawnPluginIntegrationTestProc
 } = require('../../../../integration-tests/helpers')
-const { withVersions } = require('../../../dd-trace/test/setup/mocha')
-const { assert } = require('chai')
+const { withVersions, insertVersionDep } = require('../../../dd-trace/test/setup/mocha')
 
 describe('esm', () => {
   let agent
   let proc
-  let sandbox
+  const env = {
+    NODE_OPTIONS: `--loader=${join(__dirname, '..', '..', '..', '..', 'initialize.mjs')}`
+  }
 
   // test against later versions because server.mjs uses newer package syntax
   withVersions('sharedb', 'sharedb', '>=3', version => {
-    before(async function () {
-      this.timeout(60000)
-      sandbox = await createSandbox([`'sharedb@${version}'`], false, [
-        './packages/datadog-plugin-sharedb/test/integration-test/*'])
-    })
-
-    after(async () => {
-      await sandbox.remove()
-    })
+    insertVersionDep(__dirname, 'sharedb', version)
 
     beforeEach(async () => {
       agent = await new FakeAgent().start()
@@ -42,7 +38,7 @@ describe('esm', () => {
         assert.strictEqual(checkSpansForServiceName(payload, 'sharedb.request'), true)
       })
 
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port)
+      proc = await spawnPluginIntegrationTestProc(__dirname, 'server.mjs', agent.port, env)
 
       await res
     }).timeout(20000)
diff --git a/packages/datadog-plugin-sharedb/test/integration-test/server.mjs b/packages/datadog-plugin-sharedb/test/integration-test/server.mjs
index 8b593029fc9..21d3dc5e8e3 100644
--- a/packages/datadog-plugin-sharedb/test/integration-test/server.mjs
+++ b/packages/datadog-plugin-sharedb/test/integration-test/server.mjs
@@ -1,4 +1,3 @@
-import 'dd-trace/init.js'
 import ShareDB from 'sharedb'
 
 const backend = new ShareDB({ presence: true })
diff --git a/packages/datadog-plugin-tedious/test/integration-test/client.spec.js b/packages/datadog-plugin-tedious/test/integration-test/client.spec.js
index 19b19a93a03..8c892a88743 100644
--- a/packages/datadog-plugin-tedious/test/integration-test/client.spec.js
+++ b/packages/datadog-plugin-tedious/test/integration-test/client.spec.js
@@ -1,14 +1,16 @@
 'use strict'
 
+const { join } = require('node:path')
+
+const { assert } = require('chai')
+
 const {
   FakeAgent,
-  createSandbox,
   checkSpansForServiceName,
   spawnPluginIntegrationTestProc
 } = require('../../../../integration-tests/helpers')
-const { assert } = require('chai')
 const version = require('../../../../version.js')
-const { withVersions } = require('../../../dd-trace/test/setup/mocha')
+const { withVersions, insertVersionDep } = require('../../../dd-trace/test/setup/mocha')
 
 // tedious does not support node 20
 const describe = version.NODE_MAJOR >= 20
@@ -18,19 +20,13 @@ const describe = version.NODE_MAJOR >= 20
 describe('esm', () => {
   let agent
   let proc
-  let sandbox
+  const env = {
+    NODE_OPTIONS: `--loader=${join(__dirname, '..', '..', '..', '..', 'initialize.mjs')}`
+  }
 
   // test against later versions because server.mjs uses newer package syntax
   withVersions('tedious', 'tedious', '>=16.0.0', version => {
-    before(async function () {
-      this.timeout(60000)
-      sandbox = await createSandbox([`'tedious@${version}'`], false, [
-        './packages/datadog-plugin-tedious/test/integration-test/*'])
-    })
-
-    after(async () => {
-      await sandbox.remove()
-    })
+    insertVersionDep(__dirname, 'tedious', version)
 
     beforeEach(async () => {
       agent = await new FakeAgent().start()
@@ -48,7 +44,7 @@ describe('esm', () => {
         assert.strictEqual(checkSpansForServiceName(payload, 'tedious.request'), true)
       })
 
-      proc = await spawnPluginIntegrationTestProc(sandbox.folder, 'server.mjs', agent.port)
+      proc = await spawnPluginIntegrationTestProc(__dirname, 'server.mjs', agent.port, env)
 
       await res
     }).timeout(20000)
diff --git a/packages/datadog-plugin-tedious/test/integration-test/server.mjs b/packages/datadog-plugin-tedious/test/integration-test/server.mjs
index faf74b86a6f..382e784b127 100644
--- a/packages/datadog-plugin-tedious/test/integration-test/server.mjs
+++ b/packages/datadog-plugin-tedious/test/integration-test/server.mjs
@@ -1,4 +1,3 @@
-import 'dd-trace/init.js'
 import tds from 'tedious'
 
 const config = {
diff --git a/packages/dd-trace/test/setup/mocha.js b/packages/dd-trace/test/setup/mocha.js
index aae297266b2..f09e13d90b4 100644
--- a/packages/dd-trace/test/setup/mocha.js
+++ b/packages/dd-trace/test/setup/mocha.js
@@ -337,18 +337,25 @@ function getModulePath (moduleName, version) {
  * @param {string} version - The "version" string, as used with `withVersions`
  */
 function insertVersionDep (dir, pkgName, version) {
-  const nmDir = path.join(dir, 'node_modules')
+  const moduleNameParts = pkgName.split(/[/\\]/)
+  const modulePath = getModulePath(pkgName, version)
+  let pathToCreate = 'node_modules'
+  if (moduleNameParts.length > 1) {
+    pathToCreate += '/' + moduleNameParts[0]
+    pkgName = '/' + moduleNameParts[1]
+  }
+  const nmDir = path.join(dir, pathToCreate)
   const pkgDir = path.join(nmDir, pkgName)
 
   before(() => {
-    const pkgPath = path.dirname(require(getModulePath(pkgName, version)).pkgJsonPath())
-    fs.mkdirSync(nmDir)
+    const pkgPath = path.dirname(require(modulePath).pkgJsonPath())
+    fs.mkdirSync(nmDir, { recursive: true })
     fs.symlinkSync(pkgPath, pkgDir)
   })
 
   after(() => {
     fs.unlinkSync(pkgDir)
-    fs.rmdirSync(nmDir)
+    fs.rmSync(path.join(dir, 'node_modules'), { recursive: true, force: true })
   })
 }