> Can you find this test:

Of course found. Thought of a marginal difference. BTW I removed this test.

> We don't have such one? Are you sure?

No we have. Removed.

> We don't have any test with 100500 variables, which results in an integer...

Wow. Then you should probably have that of 100499 variables. (pun intended) 

> It's not a huge problem to have redundant tests, but please take look around and avoid such a situation.

Yes. It is always good to have codes as optimum and comprehensive as possible.