diff --git a/src/client/unittests/pytest/services/testMessageService.ts b/src/client/unittests/pytest/services/testMessageService.ts
index 05c1c1f4d5ace..53738236b50b0 100644
--- a/src/client/unittests/pytest/services/testMessageService.ts
+++ b/src/client/unittests/pytest/services/testMessageService.ts
@@ -24,9 +24,9 @@ export class TestMessageService implements ITestMessageService {
      * @param testResults Details about all known tests.
      */
     public async getFilteredTestMessages(rootDirectory: string, testResults: Tests): Promise<IPythonUnitTestMessage[]> {
-        const testFuncs: FlattenedTestFunction[] = testResults.testFunctions.reduce((filtered, test) => {
+        const testFuncs = testResults.testFunctions.reduce<FlattenedTestFunction[]>((filtered, test) => {
             if (test.testFunction.passed !== undefined || test.testFunction.status === TestStatus.Skipped) {
-                filtered.push(test as never);
+                filtered.push(test);
             }
             return filtered;
         }, []);