diff --git a/.kokoro/build.sh b/.kokoro/build.sh
index 29eac90347..d19318a28e 100755
--- a/.kokoro/build.sh
+++ b/.kokoro/build.sh
@@ -23,6 +23,10 @@ export TWILIO_NUMBER="+15005550006" # public placeholder value
 export TWILIO_ACCOUNT_SID=$(cat $KOKORO_GFILE_DIR/secrets-twilio-sid.txt)
 export TWILIO_AUTH_TOKEN=$(cat $KOKORO_GFILE_DIR/secrets-twilio-auth-token.txt)
 
+# Configure Sendgrid variables
+export SENDGRID_SENDER="test@google.com"
+export SENDGRID_API_KEY=$(cat $KOKORO_GFILE_DIR/secrets-sendgrid-api-key.txt)
+
 # Configure GCF variables
 export FUNCTIONS_TOPIC=integration-tests-instance
 export FUNCTIONS_BUCKET=$GCLOUD_PROJECT
@@ -52,6 +56,10 @@ if [[ $PROJECT == functions/* ]]; then
   functions-emulator start
 fi
 
+export NODEJS_IOT_EC_PUBLIC_KEY=${KOKORO_GFILE_DIR}/ec_public.pem
+export NODEJS_IOT_RSA_PRIVATE_KEY=${KOKORO_GFILE_DIR}/rsa_private.pem
+export NODEJS_IOT_RSA_PUBLIC_CERT=${KOKORO_GFILE_DIR}/rsa_cert.pem
+
 npm test
 
 exit $?
diff --git a/appengine/memcached/.cloud-repo-tools.json b/appengine/memcached/.cloud-repo-tools.json
new file mode 100644
index 0000000000..3ce704afcb
--- /dev/null
+++ b/appengine/memcached/.cloud-repo-tools.json
@@ -0,0 +1,14 @@
+{
+  "test": {
+    "app": {
+      "msg": "Value:"
+    }
+  },
+  "requiresKeyFile": true,
+  "requiresProjectId": true,
+  "requiredEnvVars": [
+    "MEMCACHE_URL",
+    "MEMCACHE_USERNAME",
+    "MEMCACHE_PASSWORD"
+  ]
+}
\ No newline at end of file
diff --git a/appengine/memcached/package.json b/appengine/memcached/package.json
index 98f258a1cb..d6443f8e13 100644
--- a/appengine/memcached/package.json
+++ b/appengine/memcached/package.json
@@ -12,22 +12,11 @@
     "start": "node app.js",
     "test": "repo-tools test app"
   },
-  "cloud-repo-tools": {
-    "test": {
-      "app": {
-        "msg": "Value:"
-      }
-    },
-    "requiresKeyFile": true,
-    "requiresProjectId": true,
-    "requiredEnvVars": [
-      "MEMCACHE_URL",
-      "MEMCACHE_USERNAME",
-      "MEMCACHE_PASSWORD"
-    ]
-  },
   "dependencies": {
     "express": "^4.16.4",
     "memjs": "^1.2.0"
+  },
+  "devDependencies": {
+    "@google-cloud/nodejs-repo-tools": "^3.3.0"
   }
 }
diff --git a/appengine/sendgrid/.cloud-repo-tools.json b/appengine/sendgrid/.cloud-repo-tools.json
new file mode 100644
index 0000000000..da4dd17803
--- /dev/null
+++ b/appengine/sendgrid/.cloud-repo-tools.json
@@ -0,0 +1,13 @@
+{
+  "test": {
+    "app": {
+      "msg": "Hello World!"
+    }
+  },
+  "requiresKeyFile": true,
+  "requiresProjectId": true,
+  "requiredEnvVars": [
+    "SENDGRID_SENDER",
+    "SENDGRID_API_KEY"
+  ]
+}
\ No newline at end of file
diff --git a/appengine/sendgrid/package.json b/appengine/sendgrid/package.json
index e14f6ebea4..7d87616bbf 100644
--- a/appengine/sendgrid/package.json
+++ b/appengine/sendgrid/package.json
@@ -10,20 +10,7 @@
   },
   "scripts": {
     "start": "node app.js",
-    "test": "mocha test/app.test.js"
-  },
-  "cloud-repo-tools": {
-    "test": {
-      "app": {
-        "msg": "Value:"
-      }
-    },
-    "requiresKeyFile": true,
-    "requiresProjectId": true,
-    "requiredEnvVars": [
-      "SENDGRID_SENDER",
-      "SENDGRID_API_KEY"
-    ]
+    "test": "repo-tools test app && mocha test/*.test.js"
   },
   "dependencies": {
     "body-parser": "^1.19.0",
@@ -32,6 +19,7 @@
     "@sendgrid/client": "^6.3.0"
   },
   "devDependencies": {
+    "@google-cloud/nodejs-repo-tools": "^3.3.0",
     "assert": "^1.4.1",
     "mocha": "^6.1.4",
     "supertest": "^4.0.2"
diff --git a/appengine/sendgrid/test/app.test.js b/appengine/sendgrid/test/app.test.js
index 04be507901..a97af9f641 100644
--- a/appengine/sendgrid/test/app.test.js
+++ b/appengine/sendgrid/test/app.test.js
@@ -1,9 +1,12 @@
 const assert = require('assert');
-const Supertest = require('supertest');
-const supertest = Supertest('http://localhost:8080');
+const path = require('path');
+const utils = require('@google-cloud/nodejs-repo-tools');
+
+const cwd = path.join(__dirname, '../');
+const request = utils.getRequest({cwd: cwd});
 
 it('GET /: should show homepage template', async () => {
-  await supertest
+  await request
     .get('/')
     .expect(200)
     .expect(response => {
@@ -12,7 +15,7 @@ it('GET /: should show homepage template', async () => {
 });
 
 it('POST /hello: should send an email', async () => {
-  await supertest
+  await request
     .post('/hello?test=true')
     .type('form')
     .send({email: 'testuser@google.com'})