test_inspect fails with --forever argument #107446

...many lines...
test_unwrap_several (test.test_inspect.TestUnwrap.test_unwrap_several) ... ok

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ERROR: test_class_with_method_from_other_module (test.test_inspect.TestBuggyCases.test_class_with_method_from_other_module)       
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Traceback (most recent call last):
  File "C:\Users\KIRILL-1\CLionProjects\cpython\Lib\test\test_inspect.py", line 992, in test_class_with_method_from_other_module  
    self.assertIn("correct", inspect.getsource(inspect_actual.A))
                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\KIRILL-1\CLionProjects\cpython\Lib\inspect.py", line 1317, in getsource
    lines, lnum = getsourcelines(object)
                  ^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\KIRILL-1\CLionProjects\cpython\Lib\inspect.py", line 1299, in getsourcelines
    lines, lnum = findsource(object)
                  ^^^^^^^^^^^^^^^^^^
  File "C:\Users\KIRILL-1\CLionProjects\cpython\Lib\inspect.py", line 1134, in findsource
    raise OSError('could not get source code')
OSError: could not get source code

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Ran 286 tests in 2.392s

FAILED (errors=1)
test test_inspect failed
test_inspect failed (1 error)

== Tests result: FAILURE ==

1 test OK.

1 test failed:
    test_inspect

Total duration: 7.2 sec
Tests result: FAILURE