test_capi fails if run with ``--forever`` argument

./python -m test -v test_capi -m test_misc -m TestOptimizerAPI --forever
... many lines
======================================================================
FAIL: test_counter_optimizer (test.test_capi.test_misc.TestOptimizerAPI.test_counter_optimizer)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\Users\KIRILL-1\CLionProjects\cpython\Lib\test\test_capi\test_misc.py", line 1929, in test_counter_optimizer
    self.assertEqual(opt.get_count(), 1000)
AssertionError: 0 != 1000

----------------------------------------------------------------------
Ran 168 tests in 6.590s

FAILED (failures=1, skipped=5)
test test_capi failed
test_capi failed (1 failure)

== Tests result: FAILURE ==

1 test OK.

1 test failed:
    test_capi

Total duration: 13.2 sec
Tests result: FAILURE