Update to Jest 29

jest.config.js

@@ -25,7 +25,7 @@ module.exports = {
 	// Automatically clear mock calls and instances between every test
 	clearMocks: true,
 	preset: './gutenberg/node_modules/react-native/jest-preset.js',
-	setupFiles: [ '<rootDir>/' + configPath + '/setup.js' ],
+	setupFiles: [ '<rootDir>/' + configPath + '/setup.js', './jest.setup.js' ],
 	setupFilesAfterEnv: [ '<rootDir>/' + configPath + '/setup-after-env.js' ],
 	testMatch: [ '<rootDir>/src/**/test/*.[jt]s?(x)' ],
 	testPathIgnorePatterns: [
@@ -34,7 +34,9 @@ module.exports = {
 		'<rootDir>/jetpack/',
 		'/__device-tests__/',
 	],
-	testURL: 'http://localhost/',
+	testEnvironmentOptions: {
+		url: 'http://localhost/',
+	},
 	// Add the `Libraries/Utilities` subfolder to the module directories, otherwise haste/jest doesn't find Platform.js on Travis,
 	// and add it first so https://github.com/facebook/react-native/blob/v0.60.0/Libraries/react-native/react-native-implementation.js#L324-L326 doesn't pick up the Platform npm module.
 	moduleDirectories: [
@@ -51,6 +53,8 @@ module.exports = {
 			'|'
 		) })$` ]: '<rootDir>/gutenberg/packages/$1/src',
 		'test/helpers$': '<rootDir>/' + configPath + '/helpers.js',
+		jetpackConfig:
+			'<rootDir>/jetpack/tools/js-tools/jest/jest-jetpack-config.js',
 	},
 	haste: {
 		defaultPlatform: rnPlatform,

jest.setup.js

@@ -0,0 +1,25 @@
+// Jetpack mocks
+
+// Copied from https://github.com/Automattic/jetpack/blob/trunk/projects/js-packages/connection/jest.setup.js
+global.window.JP_CONNECTION_INITIAL_STATE = {
+	userConnectionData: {
+		currentUser: {
+			wpcomUser: {
+				Id: 99999,
+				login: 'bobsacramento',
+				display_name: 'Bob Sacrmaneto',
+			},
+		},
+	},
+};
+
+jest.mock(
+	'./jetpack/projects/js-packages/shared-extension-utils/index.js',
+	() => ( {
+		__esModule: true,
+		...jest.requireActual(
+			'./jetpack/projects/js-packages/shared-extension-utils/index.js'
+		),
+		getHostAppNamespace: jest.fn(),
+	} )
+);