Replace deprecated waitFor for waitForTimeout

See puppeteer/puppeteer#6214

Author: pierlon

tests/e2e/specs/admin/analytics-options.js

@@ -27,7 +27,7 @@ describe( 'AMP analytics options', () => {
 		await expect( page ).toClick( '.amp-settings-nav button[type="submit"]' );
 
 		// Wait for the success notice. Note: This might not be reliable and should be removed if it causes problems.
-		await page.waitFor( 2000 );
+		await page.waitForTimeout( 2000 );
 		await expect( page ).toMatchElement( '.amp .amp-save-success-notice.amp-notice' );
 
 		// Delete entries.

tests/e2e/utils/delete-theme.js

@@ -38,7 +38,7 @@ export async function deleteTheme( slug, newThemeSlug, newThemeSearchTerm ) {
 
 	// Wait for the theme to be removed from the page.
 	// eslint-disable-next-line no-restricted-syntax
-	await page.waitFor(
+	await page.waitForTimeout(
 		( themeSlug ) =>
 			! document.querySelector( `[data-slug="${ themeSlug }"]` ),
 		slug,

tests/e2e/utils/onboarding-wizard-utils.js

@@ -104,7 +104,7 @@ export async function moveToDoneScreen( { technical = true, mode, readerTheme =
 	}
 
 	await clickNextButton();
-	await page.waitFor( 1000 );
+	await page.waitForTimeout( 1000 );
 	await page.waitForSelector( '.done__preview-container' );
 }