test: fixup flaky tests (#44349)

* test: fixup flaky test

* test: disable flaky protocol speed test on macOS

* test: fixup flaky test in api-browser-window-spec.ts

spec/api-browser-window-spec.ts

@@ -17,7 +17,7 @@ import * as nodeUrl from 'node:url';
 
 import { emittedUntil, emittedNTimes } from './lib/events-helpers';
 import { HexColors, hasCapturableScreen, ScreenCapture } from './lib/screen-helpers';
-import { ifit, ifdescribe, defer, listen } from './lib/spec-helpers';
+import { ifit, ifdescribe, defer, listen, waitUntil } from './lib/spec-helpers';
 import { closeWindow, closeAllWindows } from './lib/window-helpers';
 
 const fixtures = path.resolve(__dirname, 'fixtures');
@@ -6015,8 +6015,10 @@ describe('BrowserWindow module', () => {
           w.webContents.on('enter-html-full-screen', async () => {
             enterCount++;
             if (w.isFullScreen()) reject(new Error('w.isFullScreen should be false'));
-            const isFS = await w.webContents.executeJavaScript('!!document.fullscreenElement');
-            if (!isFS) reject(new Error('Document should have fullscreen element'));
+            await waitUntil(async () => {
+              const isFS = await w.webContents.executeJavaScript('!!document.fullscreenElement');
+              return isFS === true;
+            });
             checkDone();
           });
 

spec/api-protocol-spec.ts

@@ -1737,7 +1737,8 @@ describe('protocol module', () => {
     });
 
     // TODO(nornagon): this test doesn't pass on Linux currently, investigate.
-    ifit(process.platform !== 'linux')('is fast', async () => {
+    // test is also flaky on CI on macOS so it is currently disabled there as well.
+    ifit(process.platform !== 'linux' && (!process.env.CI || process.platform !== 'darwin'))('is fast', async () => {
       // 128 MB of spaces.
       const chunk = new Uint8Array(128 * 1024 * 1024);
       chunk.fill(' '.charCodeAt(0));

spec/chromium-spec.ts

@@ -15,7 +15,7 @@ import * as path from 'node:path';
 import { setTimeout } from 'node:timers/promises';
 import * as url from 'node:url';
 
-import { ifit, ifdescribe, defer, itremote, listen, startRemoteControlApp } from './lib/spec-helpers';
+import { ifit, ifdescribe, defer, itremote, listen, startRemoteControlApp, waitUntil } from './lib/spec-helpers';
 import { closeAllWindows } from './lib/window-helpers';
 import { PipeTransport } from './pipe-transport';
 
@@ -2944,10 +2944,12 @@ describe('iframe using HTML fullscreen API while window is OS-fullscreened', ()
     );
     await once(w.webContents, 'leave-html-full-screen');
 
-    const width = await w.webContents.executeJavaScript(
-      "document.querySelector('iframe').offsetWidth"
-    );
-    expect(width).to.equal(0);
+    await expect(waitUntil(async () => {
+      const width = await w.webContents.executeJavaScript(
+        "document.querySelector('iframe').offsetWidth"
+      );
+      return width === 0;
+    })).to.eventually.be.fulfilled();
 
     w.setFullScreen(false);
     await once(w, 'leave-full-screen');