Make describeWithRealConnection wait for render coordinator

No-Tree-Checks: True
Fixed: 417895340
Change-Id: Id6f711eea6e2b11263a67bd9f4e7ee0cdb82e3fd
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6549741
Reviewed-by: Nikolay Vitkov <nvitkov@chromium.org>
Commit-Queue: Alex Rudenko <alexrudenko@chromium.org>
Auto-Submit: Alex Rudenko <alexrudenko@chromium.org>

Author: OrKoN

front_end/models/ai_assistance/EvaluateAction.test.ts

@@ -105,8 +105,7 @@ describe('FreestylerEvaluateAction', () => {
           functionDeclaration, [], await executionContextForTest(), {throwOnSideEffect});
     }
 
-    // Flaky test, leaves pending promises behind.
-    it.skip('[crbug.com/417895340] should serialize primitive values correctly', async () => {
+    it('should serialize primitive values correctly', async () => {
       assert.strictEqual(await executeForTest('const data = "string"'), '\'string\'');
       assert.strictEqual(await executeForTest('const data = 999n'), '999n');
       assert.strictEqual(await executeForTest('const data = true'), 'true');

front_end/testing/RealConnection.ts

@@ -8,6 +8,7 @@ import * as ProtocolClient from '../core/protocol_client/protocol_client.js';
 import * as Root from '../core/root/root.js';
 import * as SDK from '../core/sdk/sdk.js';
 import * as Main from '../entrypoints/main/main.js';
+import * as RenderCoordinator from '../ui/components/render_coordinator/render_coordinator.js';
 
 import {deinitializeGlobalVars} from './EnvironmentHelpers.js';
 
@@ -53,9 +54,10 @@ function describeBody(fn: () => void) {
     initialized = true;
   });
 
-  beforeEach('describeWithRealConnection', () => {
+  beforeEach('describeWithRealConnection', async () => {
     resetHostBindingStubState();
     Common.Settings.Settings.instance().clearAll();
+    await RenderCoordinator.done();
   });
 
   fn();
@@ -66,6 +68,7 @@ function describeBody(fn: () => void) {
       throw new Error('Missing deprecatedRunAfterPendingDispatches');
     }
     await new Promise<void>(resolve => runAfterPendingDispatches(resolve));
+    await RenderCoordinator.done();
   });
 }