fix tests

Author: Kartik Raj

src/client/pythonEnvironments/base/locators/lowLevel/windowsRegistryLocator.ts

@@ -28,7 +28,9 @@ export class WindowsRegistryLocator extends Locator<BasicEnvInfo> {
     ): IPythonEnvsIterator<BasicEnvInfo> {
         const didUpdate = new EventEmitter<PythonEnvUpdatedEvent<BasicEnvInfo> | ProgressNotificationEvent>();
         const iterator = useWorkerThreads ? iterEnvsIterator(didUpdate) : oldIterEnvsIterator();
-        iterator.onUpdated = didUpdate.event;
+        if (useWorkerThreads) {
+            iterator.onUpdated = didUpdate.event;
+        }
         return iterator;
     }
 }

src/test/pythonEnvironments/base/locators/lowLevel/windowsRegistryLocator.unit.test.ts

@@ -222,7 +222,7 @@ suite('Windows Registry', () => {
             createBasicEnv(PythonEnvKind.OtherGlobal, path.join(regTestRoot, 'python38', 'python.exe')),
         ].map((e) => ({ ...e, source: [PythonEnvSource.WindowsRegistry] }));
 
-        const iterator = locator.iterEnvs();
+        const iterator = locator.iterEnvs(undefined, false);
         const actualEnvs = await getEnvs(iterator);
 
         assertBasicEnvsEqual(actualEnvs, expectedEnvs);