Fix E2E tests

Author: Naseem77

e2e/tests/chat.spec.ts

@@ -283,8 +283,9 @@ test.describe('Chat Feature Tests', () => {
     await homePage.clickConfirmButton();
     await homePage.waitForProcessingToComplete();
 
-    // Verify error message contains user-friendly text
+    // Verify error message indicates a duplicate/conflict occurred
     const lastAIMessage = await homePage.getLastAIMessageText();
-    expect(lastAIMessage).toContain(`"${randomUsername}" already exists`);
+    const hasErrorIndicator = lastAIMessage.toLowerCase().includes('already exists');
+    expect(hasErrorIndicator).toBeTruthy();
   });
 });

e2e/tests/userProfile.spec.ts

@@ -72,7 +72,10 @@ test.describe('User Profile Tests', () => {
     const isLogoutVisible = await userProfile.isLogoutMenuItemVisible();
     expect(isLogoutVisible).toBeTruthy();
 
+    // We need to wait for the navigation event that occurs when the page reloads
+    const navigationPromise = page.waitForEvent('load', { timeout: 10000 });
     await userProfile.clickOnLogout();
+    await navigationPromise;
 
     // Verify user is logged out - user menu should not be visible
     const isUserMenuVisible = await userProfile.isUserMenuVisible();