diff --git a/src/test/testing/testController/pytest/pytestExecutionAdapter.unit.test.ts b/src/test/testing/testController/pytest/pytestExecutionAdapter.unit.test.ts
new file mode 100644
index 000000000000..ac6c6bd274a4
--- /dev/null
+++ b/src/test/testing/testController/pytest/pytestExecutionAdapter.unit.test.ts
@@ -0,0 +1,90 @@
+// /* eslint-disable @typescript-eslint/no-explicit-any */
+// //  Copyright (c) Microsoft Corporation. All rights reserved.
+// //  Licensed under the MIT License.
+// import * as assert from 'assert';
+// import { Uri } from 'vscode';
+// import * as typeMoq from 'typemoq';
+// import { IConfigurationService } from '../../../../client/common/types';
+// import { DataReceivedEvent, ITestServer } from '../../../../client/testing/testController/common/types';
+// import { IPythonExecutionFactory, IPythonExecutionService } from '../../../../client/common/process/types';
+// import { createDeferred, Deferred } from '../../../../client/common/utils/async';
+// import { PytestTestExecutionAdapter } from '../../../../client/testing/testController/pytest/pytestExecutionAdapter';
+
+// suite('pytest test execution adapter', () => {
+//     let testServer: typeMoq.IMock<ITestServer>;
+//     let configService: IConfigurationService;
+//     let execFactory = typeMoq.Mock.ofType<IPythonExecutionFactory>();
+//     let adapter: PytestTestExecutionAdapter;
+//     let execService: typeMoq.IMock<IPythonExecutionService>;
+//     let deferred: Deferred<void>;
+//     setup(() => {
+//         testServer = typeMoq.Mock.ofType<ITestServer>();
+//         testServer.setup((t) => t.getPort()).returns(() => 12345);
+//         testServer
+//             .setup((t) => t.onDataReceived(typeMoq.It.isAny(), typeMoq.It.isAny()))
+//             .returns(() => ({
+//                 dispose: () => {
+//                     /* no-body */
+//                 },
+//             }));
+//         configService = ({
+//             getSettings: () => ({
+//                 testing: { pytestArgs: ['.'] },
+//             }),
+//             isTestExecution: () => false,
+//         } as unknown) as IConfigurationService;
+//         execFactory = typeMoq.Mock.ofType<IPythonExecutionFactory>();
+//         execService = typeMoq.Mock.ofType<IPythonExecutionService>();
+//         execFactory
+//             .setup((x) => x.createActivatedEnvironment(typeMoq.It.isAny()))
+//             .returns(() => Promise.resolve(execService.object));
+//         deferred = createDeferred();
+//         execService
+//             .setup((x) => x.exec(typeMoq.It.isAny(), typeMoq.It.isAny()))
+//             .returns(() => {
+//                 deferred.resolve();
+//                 return Promise.resolve({ stdout: '{}' });
+//             });
+//         execFactory.setup((p) => ((p as unknown) as any).then).returns(() => undefined);
+//         execService.setup((p) => ((p as unknown) as any).then).returns(() => undefined);
+//     });
+//     test('onDataReceivedHandler should parse only if known UUID', async () => {
+//         const uri = Uri.file('/my/test/path/');
+//         const uuid = 'uuid123';
+//         const data = { status: 'success' };
+//         testServer.setup((t) => t.createUUID(typeMoq.It.isAny())).returns(() => uuid);
+//         const eventData: DataReceivedEvent = {
+//             uuid,
+//             data: JSON.stringify(data),
+//         };
+
+//         adapter = new PytestTestExecutionAdapter(testServer.object, configService);
+//         const promise = adapter.runTests(uri, [], false);
+//         await deferred.promise;
+//         adapter.onDataReceivedHandler(eventData);
+//         const result = await promise;
+//         assert.deepStrictEqual(result, data);
+//     });
+//     test('onDataReceivedHandler should not parse if it is unknown UUID', async () => {
+//         const uri = Uri.file('/my/test/path/');
+//         const uuid = 'uuid456';
+//         let data = { status: 'error' };
+//         testServer.setup((t) => t.createUUID(typeMoq.It.isAny())).returns(() => uuid);
+//         const wrongUriEventData: DataReceivedEvent = {
+//             uuid: 'incorrect-uuid456',
+//             data: JSON.stringify(data),
+//         };
+//         adapter = new PytestTestExecutionAdapter(testServer.object, configService);
+//         const promise = adapter.runTests(uri, [], false);
+//         adapter.onDataReceivedHandler(wrongUriEventData);
+
+//         data = { status: 'success' };
+//         const correctUriEventData: DataReceivedEvent = {
+//             uuid,
+//             data: JSON.stringify(data),
+//         };
+//         adapter.onDataReceivedHandler(correctUriEventData);
+//         const result = await promise;
+//         assert.deepStrictEqual(result, data);
+//     });
+// });