fix broken test

Author: dididy

zeppelin-web-angular/e2e/models/published-paragraph-page.util.ts

@@ -167,6 +167,7 @@ export class PublishedParagraphTestUtil {
 
     const controlPanel = newPage.locator('zeppelin-notebook-paragraph-control');
     await expect(controlPanel).toBeHidden();
+    await newPage.close();
   }
 
   async createTestNotebook(): Promise<{ noteId: string; paragraphId: string }> {

zeppelin-web-angular/e2e/models/theme.page.ts

@@ -28,13 +28,13 @@ export class ThemePage {
   }
 
   async assertDarkTheme() {
-    await expect(this.rootElement).toHaveClass(/dark/);
+    await expect(this.rootElement).toHaveClass(/dark/, { timeout: 10000 });
     await expect(this.rootElement).toHaveAttribute('data-theme', 'dark');
     await expect(this.themeToggleButton).toHaveText('dark_mode');
   }
 
   async assertLightTheme() {
-    await expect(this.rootElement).toHaveClass(/light/);
+    await expect(this.rootElement).toHaveClass(/light/, { timeout: 10000 });
     await expect(this.rootElement).toHaveAttribute('data-theme', 'light');
     await expect(this.themeToggleButton).toHaveText('light_mode');
   }

zeppelin-web-angular/e2e/tests/theme/dark-mode.spec.ts

@@ -50,12 +50,13 @@ test.describe('Dark Mode Theme Switching', () => {
     await test.step('WHEN the user switches to dark mode', async () => {
       await themePage.setThemeInLocalStorage('dark');
       const newPage = await context.newPage();
-      await newPage.goto(currentPage.url());
+      await newPage.goto(currentPage.url(), { waitUntil: 'networkidle' });
       await waitForZeppelinReady(newPage);
 
       // Update themePage to use newPage and verify dark mode
       themePage = new ThemePage(newPage);
       currentPage = newPage;
+      await newPage.close();
       await themePage.assertDarkTheme();
     });