Use the existing "customer" test data

tests/e2e/utils/frontend/frontend-utils.page.ts

@@ -5,50 +5,15 @@ import { Page } from '@playwright/test';
 import { RequestUtils } from '@wordpress/e2e-test-utils-playwright';
 import { expect } from '@woocommerce/e2e-playwright-utils';
 
-const {
-	CUSTOMER_USER,
-	CUSTOMER_PASSWORD,
-	CUSTOMER_USER_EMAIL,
-	CUSTOMER_FIRST_NAME,
-	CUSTOMER_LAST_NAME,
-} = process.env;
+/**
+ * Internal dependencies
+ */
+import { customer } from '../../test-data/data/data';
 
 export class FrontendUtils {
 	page: Page;
 	requestUtils: RequestUtils;
 
-	private customer = {
-		username: CUSTOMER_USER ?? 'customer',
-		password: CUSTOMER_PASSWORD ?? 'password',
-		email:
-			CUSTOMER_USER_EMAIL ?? 'customer@woocommercecoree2etestsuite.com',
-		first_name: CUSTOMER_FIRST_NAME ?? 'Jane',
-		last_name: CUSTOMER_LAST_NAME ?? 'Smith',
-		billing: {
-			us: {
-				first_name: 'Maggie',
-				last_name: 'Simpson',
-				address: '123 Evergreen Terrace',
-				city: 'Springfield',
-				country: 'US',
-				state: 'OR',
-				zip: '97403',
-				phone: '555 555-5555',
-				email: 'customer@example.com',
-			},
-			malta: {
-				first_name: 'Maggie',
-				last_name: 'Simpson',
-				address: '123 Evergreen Terrace',
-				city: 'Valletta',
-				country: 'MT',
-				zip: 'VT 1011',
-				phone: '555 555-5555',
-				email: 'vt-customer@example.com',
-			},
-		},
-	};
-
 	constructor( page: Page, requestUtils: RequestUtils ) {
 		this.page = page;
 		this.requestUtils = requestUtils;
@@ -172,10 +137,10 @@ export class FrontendUtils {
 		await expect( this.page ).toHaveTitle( /My account/ );
 		await this.page
 			.locator( 'input[name="username"]' )
-			.fill( this.customer.username );
+			.fill( customer.username );
 		await this.page
 			.locator( 'input[name="password"]' )
-			.fill( this.customer.password );
+			.fill( customer.password );
 		await this.page.locator( 'text=Log In' ).click();
 		// eslint-disable-next-line playwright/no-networkidle
 		await this.page.waitForLoadState( 'networkidle' );