refactor: Remove unused E2E test helpers (#55711)

* test: Remove unused `waitIfAndroid` utility

* test: Remove unused `clearClipboard` utility

* test: Remove unused `setClipboard` utility

* test: Remove unnecessary `clearClipboard` usage

This became unnecessary when the clipboard-related tests were removed in
#55541.

packages/react-native-editor/__device-tests__/gutenberg-editor-drag-and-drop.test.js

@@ -2,14 +2,10 @@
  * Internal dependencies
  */
 import { blockNames } from './pages/editor-page';
-import { clearClipboard, dragAndDropAfterElement } from './helpers/utils';
+import { dragAndDropAfterElement } from './helpers/utils';
 import testData from './helpers/test-data';
 
 describe( 'Gutenberg Editor Drag & Drop blocks tests', () => {
-	beforeEach( async () => {
-		await clearClipboard( editorPage.driver );
-	} );
-
 	it( 'should be able to drag & drop a block', async () => {
 		// Initialize the editor with a Spacer and Paragraph block
 		await editorPage.initializeEditor( {

packages/react-native-editor/__device-tests__/helpers/utils.js

@@ -682,42 +682,6 @@ const clickIfClickable = async (
 	}
 };
 
-// Only for Android
-const waitIfAndroid = async () => {
-	if ( isAndroid() ) {
-		await editorPage.driver.sleep( 1000 );
-	}
-};
-
-/**
- * Content type definitions.
- * Note: Android only supports plaintext.
- *
- * @typedef {"plaintext" | "image" | "url"} ClipboardContentType
- */
-
-/**
- * Helper to set content in the clipboard.
- *
- * @param {Object}               driver      Driver
- * @param {string}               content     Content to set in the clipboard
- * @param {ClipboardContentType} contentType Type of the content
- */
-const setClipboard = async ( driver, content, contentType = 'plaintext' ) => {
-	const base64String = Buffer.from( content ).toString( 'base64' );
-	await driver.setClipboard( base64String, contentType );
-};
-
-/**
- * Helper to clear the clipboard
- *
- * @param {Object}               driver      Driver
- * @param {ClipboardContentType} contentType Type of the content
- */
-const clearClipboard = async ( driver, contentType = 'plaintext' ) => {
-	await driver.setClipboard( '', contentType );
-};
-
 const launchApp = async ( driver, initialProps = {} ) => {
 	if ( isAndroid() ) {
 		await driver.execute( 'mobile: startActivity', {
@@ -744,7 +708,6 @@ const launchApp = async ( driver, initialProps = {} ) => {
 
 module.exports = {
 	backspace,
-	clearClipboard,
 	clickBeginningOfElement,
 	clickIfClickable,
 	clickMiddleOfElement,
@@ -756,7 +719,6 @@ module.exports = {
 	launchApp,
 	longPressMiddleOfElement,
 	selectTextFromElement,
-	setClipboard,
 	setupDriver,
 	stopDriver,
 	swipeDown,
@@ -770,5 +732,4 @@ module.exports = {
 	typeString,
 	waitForMediaLibrary,
 	waitForVisible,
-	waitIfAndroid,
 };