streamsReducer tests: Remove test for nonexistent email_address pro…

…perty

This isn't a valid property of a stream, according to our Flow
types. Flow would normally complain, except that this is one of the
few files that doesn't have type-checking yet. We'll fix that next.

src/streams/__tests__/streamsReducer-test.js

@@ -308,61 +308,5 @@ describe('streamsReducer', () => {
 
       expect(actualState).toEqual(expectedState);
     });
-
-    test('Change the email_address property', () => {
-      const initialState = deepFreeze([
-        {
-          stream_id: 123,
-          name: 'competition',
-          email_address: '123@realm.com',
-        },
-        {
-          stream_id: 67,
-          name: 'design',
-          email_address: '67@realm.com',
-        },
-        {
-          stream_id: 53,
-          name: 'mobile',
-          email_address: '53@realm.com',
-        },
-      ]);
-
-      const action = deepFreeze({
-        type: EVENT,
-        event: {
-          type: EventTypes.stream,
-          stream_id: 123,
-          op: 'update',
-          eventId: 2,
-          id: 2,
-          name: 'competition',
-          property: 'email_address',
-          value: '1234@realm.com',
-        },
-      });
-
-      const expectedState = [
-        {
-          stream_id: 123,
-          name: 'competition',
-          email_address: '1234@realm.com',
-        },
-        {
-          stream_id: 67,
-          name: 'design',
-          email_address: '67@realm.com',
-        },
-        {
-          stream_id: 53,
-          name: 'mobile',
-          email_address: '53@realm.com',
-        },
-      ];
-
-      const actualState = streamsReducer(initialState, action);
-
-      expect(actualState).toEqual(expectedState);
-    });
   });
 });