fix(add-content): extend webpage check for RSS feeds

src/components/AddContentModal/utils/__tests__/index.ts

@@ -43,7 +43,17 @@ describe('youtubeRegex', () => {
   })
 
   it('should assert we can check for generic url regex', async () => {
+    global.fetch = jest.fn(() =>
+      Promise.resolve({
+        headers: {
+          get: (header) => (header === 'Content-Type' ? 'text/html' : null),
+        },
+      }),
+    ) as jest.Mock
+
     await expect(getInputType('https://idkwhat.com/routeing/tou')).resolves.toBe(WEB_PAGE)
+
+    jest.restoreAllMocks()
   })
 
   it('should assert we can check for youtube clip regex', async () => {