test(e2e): stabilize fixture imports

e2e/specs/mock/paid-image.spec.ts

@@ -1,7 +1,7 @@
 import { expect, test } from "@playwright/test";
 
-import { mockCoreApis } from "../../fixtures/api-mocks";
-import { paidImageMessageId } from "../../fixtures/test-data";
+import { mockCoreApis } from "@e2e/fixtures/api-mocks";
+import { paidImageMessageId } from "@e2e/fixtures/test-data";
 import {
   clearBrowserState,
   completeVipPayment,
@@ -11,7 +11,7 @@ import {
   expectVipChatSubscriptionUrl,
   submitEmailLogin,
   switchToEmailSignIn,
-} from "../../fixtures/test-helpers";
+} from "@e2e/fixtures/test-helpers";
 
 test.beforeEach(async ({ baseURL, context, page }) => {
   await clearBrowserState(context, page, baseURL);