[FSSDK-10201] test improvement, redundant code removal

Author: junaed-optimizely

lib/utils/microtask/index.tests.js

@@ -1,43 +1,21 @@
-/**
- * Copyright 2024, Optimizely
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
 import { assert } from 'chai';
-import { scheduleMicrotaskOrTimeout } from './';
-
-describe('scheduleMicrotaskOrTimeout', () => {
-  let called;
-
-  beforeEach(() => {
-    called = false;
-  });
+import { scheduleMicrotaskOrTimeout } from '.'; 
 
+describe.only('scheduleMicrotaskOrTimeout', () => {
   it('should use queueMicrotask if available', (done) => {
+    // Assuming queueMicrotask is available in the environment
     scheduleMicrotaskOrTimeout(() => {
-      called = true;
-      assert.isTrue(called, 'queueMicrotask was called');
       done();
     });
   });
 
   it('should fallback to setTimeout if queueMicrotask is not available', (done) => {
+    // Temporarily remove queueMicrotask to test the fallback
     const originalQueueMicrotask = window.queueMicrotask;
     window.queueMicrotask = undefined;
 
     scheduleMicrotaskOrTimeout(() => {
-      assert.isTrue(true, 'setTimeout was called');
+      // Restore queueMicrotask before calling done
       window.queueMicrotask = originalQueueMicrotask;
       done();
     });