ci: fix flaky test (#10335)

.mocharc.cjs

@@ -14,6 +14,10 @@
  * limitations under the License.
  */
 
+let timeout = process.platform === 'win32' ? 20_000 : 10_000;
+if (!!process.env.DEBUGGER_ATTACHED) {
+  timeout = 0;
+}
 module.exports = {
   reporter: 'dot',
   logLevel: 'debug',
@@ -22,6 +26,6 @@ module.exports = {
   exit: !!process.env.CI,
   retries: process.env.CI ? 3 : 0,
   parallel: !!process.env.PARALLEL,
-  timeout: process.platform === 'win32' ? 20_000 : 10_000,
+  timeout: timeout,
   reporter: process.env.CI ? 'spec' : 'dot',
 };

.vscode/launch.template.json

@@ -37,7 +37,10 @@
         "--no-coverage",
         "--no-suggestions"
       ],
-      "outFiles": ["${workspaceFolder}/**/*.js"]
+      "outFiles": ["${workspaceFolder}/**/*.js"],
+      "env": {
+        "DEBUGGER_ATTACHED": true
+      }
     }
   ]
 }

test/src/network.spec.ts

@@ -819,7 +819,9 @@ describe('network', function () {
       });
 
       const [response] = await Promise.all([
-        waitEvent<HTTPResponse>(page, 'response'),
+        waitEvent<HTTPResponse>(page, 'response', res => {
+          return !isFavicon(res);
+        }),
         page.evaluate(() => {
           const xhr = new XMLHttpRequest();
           xhr.open('GET', '/foo');