Fix e2e test when fulfilling /wc-admin/options endpoint

There were more options added in `options` query parameter, so adding a
`.*` for the URL matching pattern

tests/e2e/utils/mock-requests.js

@@ -46,7 +46,7 @@ export default class MockRequests {
 	 */
 	async fulfillWCDefaultCountry( payload ) {
 		await this.fulfillRequest(
-			/wc-admin\/options\?options=woocommerce_default_country\b/,
+			/wc-admin\/options\?options=.*woocommerce_default_country\b/,
 			payload
 		);
 	}