Revert "Move page closing to beforeEach"

This reverts commit 2b092e2.

packages/e2e-tests/config/setup-performance-test.js

@@ -35,19 +35,17 @@ beforeAll( async () => {
 	await trashAllPosts();
 	await trashAllPosts( 'wp_block' );
 	await clearLocalStorage();
+	await setupPage();
 	await activatePlugin( 'gutenberg-test-plugin-disables-the-css-animations' );
 } );
 
-beforeEach( async () => {
-	// Close the previous page entirely and create a new page, so that the test
+afterEach( async () => {
+	// Clear localStorage between tests so that the next test starts clean.
+	await clearLocalStorage();
+	// Close the previous page entirely and create a new page, so that the next test
 	// isn't affected by page unload work.
 	await page.close();
 	page = await browser.newPage();
 	// Set up testing config on new page.
 	await setupPage();
 } );
-
-afterEach( async () => {
-	// Clear localStorage between tests so that the next test starts clean.
-	await clearLocalStorage();
-} );