test(browser-integration): Attempt to improve potentially flakey slowClick -> windowOpen test (#10538)

Maybe closes #10377

Author: billyvg

dev-packages/browser-integration-tests/suites/replay/slowClick/windowOpen/test.ts

@@ -28,11 +28,14 @@ sentryTest('window.open() is considered for slow click', async ({ getLocalTestUr
 
   // Ensure window.open() still works as expected
   const context = browser.contexts()[0];
-  const waitForNewPage = context.waitForEvent('page');
 
-  await page.locator('#windowOpenButton').click();
+  const [reqResponse1] = await Promise.all([
+    reqPromise1,
+    context.waitForEvent('page'),
+    page.locator('#windowOpenButton').click(),
+  ]);
 
-  const { breadcrumbs } = getCustomRecordingEvents(await reqPromise1);
+  const { breadcrumbs } = getCustomRecordingEvents(reqResponse1);
 
   // Filter out potential blur breadcrumb, as otherwise this can be flaky
   const filteredBreadcrumb = breadcrumbs.filter(breadcrumb => breadcrumb.category !== 'ui.blur');
@@ -57,8 +60,6 @@ sentryTest('window.open() is considered for slow click', async ({ getLocalTestUr
     },
   ]);
 
-  await waitForNewPage;
-
   const pages = context.pages();
 
   expect(pages.length).toBe(2);