diff --git a/src/client/testing/testController/common/types.ts b/src/client/testing/testController/common/types.ts
index 3f1a25b6eb62..7139788a8177 100644
--- a/src/client/testing/testController/common/types.ts
+++ b/src/client/testing/testController/common/types.ts
@@ -156,19 +156,19 @@ export interface ITestResultResolver {
 }
 export interface ITestDiscoveryAdapter {
     // ** first line old method signature, second line new method signature
-    discoverTests(uri: Uri): Promise<DiscoveredTestPayload>;
+    discoverTests(uri: Uri): Promise<void>;
     discoverTests(
         uri: Uri,
         executionFactory?: IPythonExecutionFactory,
         token?: CancellationToken,
         interpreter?: PythonEnvironment,
-    ): Promise<DiscoveredTestPayload>;
+    ): Promise<void>;
 }
 
 // interface for execution/runner adapter
 export interface ITestExecutionAdapter {
     // ** first line old method signature, second line new method signature
-    runTests(uri: Uri, testIds: string[], profileKind?: boolean | TestRunProfileKind): Promise<ExecutionTestPayload>;
+    runTests(uri: Uri, testIds: string[], profileKind?: boolean | TestRunProfileKind): Promise<void>;
     runTests(
         uri: Uri,
         testIds: string[],
@@ -177,7 +177,7 @@ export interface ITestExecutionAdapter {
         executionFactory?: IPythonExecutionFactory,
         debugLauncher?: ITestDebugLauncher,
         interpreter?: PythonEnvironment,
-    ): Promise<ExecutionTestPayload>;
+    ): Promise<void>;
 }
 
 // Same types as in python_files/unittestadapter/utils.py
diff --git a/src/client/testing/testController/pytest/pytestDiscoveryAdapter.ts b/src/client/testing/testController/pytest/pytestDiscoveryAdapter.ts
index a1a01e08d3e9..ef68f7d8039d 100644
--- a/src/client/testing/testController/pytest/pytestDiscoveryAdapter.ts
+++ b/src/client/testing/testController/pytest/pytestDiscoveryAdapter.ts
@@ -43,14 +43,14 @@ export class PytestTestDiscoveryAdapter implements ITestDiscoveryAdapter {
         executionFactory?: IPythonExecutionFactory,
         token?: CancellationToken,
         interpreter?: PythonEnvironment,
-    ): Promise<DiscoveredTestPayload> {
+    ): Promise<void> {
         const cSource = new CancellationTokenSource();
-        const deferredReturn = createDeferred<DiscoveredTestPayload>();
+        const deferredReturn = createDeferred<void>();
 
         token?.onCancellationRequested(() => {
             traceInfo(`Test discovery cancelled.`);
             cSource.cancel();
-            deferredReturn.resolve({ cwd: uri.fsPath, status: 'success' });
+            deferredReturn.resolve();
         });
 
         const name = await startDiscoveryNamedPipe((data: DiscoveredTestPayload) => {
@@ -61,7 +61,7 @@ export class PytestTestDiscoveryAdapter implements ITestDiscoveryAdapter {
         }, cSource.token);
 
         this.runPytestDiscovery(uri, name, cSource, executionFactory, interpreter, token).then(() => {
-            deferredReturn.resolve({ cwd: uri.fsPath, status: 'success' });
+            deferredReturn.resolve();
         });
 
         return deferredReturn.promise;
diff --git a/src/client/testing/testController/pytest/pytestExecutionAdapter.ts b/src/client/testing/testController/pytest/pytestExecutionAdapter.ts
index 741b07b814f7..f66bff584fe2 100644
--- a/src/client/testing/testController/pytest/pytestExecutionAdapter.ts
+++ b/src/client/testing/testController/pytest/pytestExecutionAdapter.ts
@@ -38,7 +38,7 @@ export class PytestTestExecutionAdapter implements ITestExecutionAdapter {
         executionFactory?: IPythonExecutionFactory,
         debugLauncher?: ITestDebugLauncher,
         interpreter?: PythonEnvironment,
-    ): Promise<ExecutionTestPayload> {
+    ): Promise<void> {
         const deferredTillServerClose: Deferred<void> = utils.createTestingDeferred();
 
         // create callback to handle data received on the named pipe
@@ -59,12 +59,6 @@ export class PytestTestExecutionAdapter implements ITestExecutionAdapter {
         );
         runInstance?.token.onCancellationRequested(() => {
             traceInfo(`Test run cancelled, resolving 'TillServerClose' deferred for ${uri.fsPath}.`);
-            const executionPayload: ExecutionTestPayload = {
-                cwd: uri.fsPath,
-                status: 'success',
-                error: '',
-            };
-            return executionPayload;
         });
 
         try {
@@ -82,15 +76,6 @@ export class PytestTestExecutionAdapter implements ITestExecutionAdapter {
         } finally {
             await deferredTillServerClose.promise;
         }
-
-        // placeholder until after the rewrite is adopted
-        // TODO: remove after adoption.
-        const executionPayload: ExecutionTestPayload = {
-            cwd: uri.fsPath,
-            status: 'success',
-            error: '',
-        };
-        return executionPayload;
     }
 
     private async runTestsNew(
diff --git a/src/client/testing/testController/unittest/testDiscoveryAdapter.ts b/src/client/testing/testController/unittest/testDiscoveryAdapter.ts
index 9a014116de96..9c8015b7864f 100644
--- a/src/client/testing/testController/unittest/testDiscoveryAdapter.ts
+++ b/src/client/testing/testController/unittest/testDiscoveryAdapter.ts
@@ -46,18 +46,18 @@ export class UnittestTestDiscoveryAdapter implements ITestDiscoveryAdapter {
         uri: Uri,
         executionFactory?: IPythonExecutionFactory,
         token?: CancellationToken,
-    ): Promise<DiscoveredTestPayload> {
+    ): Promise<void> {
         const settings = this.configSettings.getSettings(uri);
         const { unittestArgs } = settings.testing;
         const cwd = settings.testing.cwd && settings.testing.cwd.length > 0 ? settings.testing.cwd : uri.fsPath;
 
         const cSource = new CancellationTokenSource();
-        const deferredReturn = createDeferred<DiscoveredTestPayload>();
+        const deferredReturn = createDeferred<void>();
 
         token?.onCancellationRequested(() => {
             traceInfo(`Test discovery cancelled.`);
             cSource.cancel();
-            deferredReturn.resolve({ cwd: uri.fsPath, status: 'success' });
+            deferredReturn.resolve();
         });
 
         const name = await startDiscoveryNamedPipe((data: DiscoveredTestPayload) => {
@@ -83,7 +83,7 @@ export class UnittestTestDiscoveryAdapter implements ITestDiscoveryAdapter {
         };
 
         this.runDiscovery(uri, options, name, cwd, cSource, executionFactory).then(() => {
-            deferredReturn.resolve({ cwd: uri.fsPath, status: 'success' });
+            deferredReturn.resolve();
         });
 
         return deferredReturn.promise;
diff --git a/src/client/testing/testController/unittest/testExecutionAdapter.ts b/src/client/testing/testController/unittest/testExecutionAdapter.ts
index 6db36d96149f..e2b591379335 100644
--- a/src/client/testing/testController/unittest/testExecutionAdapter.ts
+++ b/src/client/testing/testController/unittest/testExecutionAdapter.ts
@@ -47,7 +47,7 @@ export class UnittestTestExecutionAdapter implements ITestExecutionAdapter {
         runInstance?: TestRun,
         executionFactory?: IPythonExecutionFactory,
         debugLauncher?: ITestDebugLauncher,
-    ): Promise<ExecutionTestPayload> {
+    ): Promise<void> {
         // deferredTillServerClose awaits named pipe server close
         const deferredTillServerClose: Deferred<void> = utils.createTestingDeferred();
 
@@ -87,12 +87,6 @@ export class UnittestTestExecutionAdapter implements ITestExecutionAdapter {
         } finally {
             await deferredTillServerClose.promise;
         }
-        const executionPayload: ExecutionTestPayload = {
-            cwd: uri.fsPath,
-            status: 'success',
-            error: '',
-        };
-        return executionPayload;
     }
 
     private async runTestsNew(