add test

Author: sarahs

tests/routing/deprecated-enterprise-versions.js

@@ -30,6 +30,12 @@ describe('enterprise deprecation', () => {
     expect(res.headers.location).toBe('/en/enterprise/2.15/user/articles/viewing-contributions-on-your-profile')
   })
 
+  test('can access redirects from redirects.json in deprecated enterprise content >2.17', async () => {
+    const res = await get('/enterprise/2.19/admin/categories/time')
+    expect(res.statusCode).toBe(301)
+    expect(res.headers.location).toBe('/en/enterprise-server@2.19/admin/configuration/configuring-time-synchronization')
+  })
+
   test('handles requests for deprecated Enterprise pages ( >=2.13 )', async () => {
     expect(enterpriseServerReleases.deprecated.includes('2.13')).toBe(true)
     const $ = await getDOM('/en/enterprise/2.13/user/articles/about-branches')