Revert "test: adjust page-router i18n tests for next 13 (#3107)"

This reverts commit 85cb5d5.

Author: mrstork

tests/e2e/page-router.test.ts

@@ -1392,10 +1392,17 @@ test.describe('Page Router with basePath and i18n', () => {
 
     expect(await page.textContent('p')).toBe('Custom 404 page for locale: en')
 
-    expect(headers['debug-netlify-cdn-cache-control']).toMatch(
-      /no-cache, no-store, max-age=0, must-revalidate, durable/m,
+    // https://github.com/vercel/next.js/pull/69802 made changes to returned cache-control header,
+    // after that 404 pages would have `private` directive, before that it would not
+    const shouldHavePrivateDirective = nextVersionSatisfies('^14.2.10 || >=15.0.0-canary.147')
+    expect(headers['debug-netlify-cdn-cache-control']).toBe(
+      (shouldHavePrivateDirective ? 'private, ' : '') +
+        'no-cache, no-store, max-age=0, must-revalidate, durable',
+    )
+    expect(headers['cache-control']).toBe(
+      (shouldHavePrivateDirective ? 'private,' : '') +
+        'no-cache,no-store,max-age=0,must-revalidate',
     )
-    expect(headers['cache-control']).toMatch(/no-cache,no-store,max-age=0,must-revalidate/m)
   })
 
   test('requesting a non existing page route that needs to be fetched from the blob store like 404.html (notFound: true)', async ({
@@ -1410,16 +1417,12 @@ test.describe('Page Router with basePath and i18n', () => {
 
     expect(await page.textContent('p')).toBe('Custom 404 page for locale: en')
 
-    // Prior to v14.2.4 notFound pages are not cacheable
-    // https://github.com/vercel/next.js/pull/66674
-    if (nextVersionSatisfies('>= 14.2.4')) {
-      expect(headers['debug-netlify-cdn-cache-control']).toBe(
-        nextVersionSatisfies('>=15.0.0-canary.187')
-          ? 's-maxage=31536000, durable'
-          : 's-maxage=31536000, stale-while-revalidate=31536000, durable',
-      )
-      expect(headers['cache-control']).toBe('public,max-age=0,must-revalidate')
-    }
+    expect(headers['debug-netlify-cdn-cache-control']).toBe(
+      nextVersionSatisfies('>=15.0.0-canary.187')
+        ? 's-maxage=31536000, durable'
+        : 's-maxage=31536000, stale-while-revalidate=31536000, durable',
+    )
+    expect(headers['cache-control']).toBe('public,max-age=0,must-revalidate')
   })
 
   test.describe('static assets and function invocations', () => {