========================================================================================== FAILURES ==========================================================================================
_____________________________________________________________________ TestCachedPropertyWithTTL.test_threads_ttl_expiry ______________________________________________________________________

self = <tests.test_cached_property.TestCachedPropertyWithTTL testMethod=test_threads_ttl_expiry>

    def test_threads_ttl_expiry(self):
        Check = CheckFactory(self.cached_property_factory(ttl=100000), threadsafe=True)
        check = Check()
        num_threads = 5
    
        # Same as in test_threads
        check.run_threads(num_threads)
        self.assert_cached(check, num_threads)
        self.assert_cached(check, num_threads)
    
        # The cache expires in the future
        with freeze_time("9999-01-01"):
            check.run_threads(num_threads)
>           self.assert_cached(check, 2 * num_threads)

tests/test_cached_property.py:244: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
tests/test_cached_property.py:71: in assert_cached
    self.assertEqual(check.add_cached, expected)
E   AssertionError: 6 != 10
====================================================================================== warnings summary ======================================================================================