// Too avoid flakyness we need to wait until at least one of the requests really finishes.
	responses.Wait()
	if err := expectHTTPGet(server.URL, http.StatusOK); err != nil {
		t.Error(err)
	}
}

func TestMaxInFlightMutating(t *testing.T) {
	const AllowedMutatingInflightRequestsNo = 3

	calls := &sync.WaitGroup{}
	calls.Add(AllowedMutatingInflightRequestsNo)

	responses := &sync.WaitGroup{}