test_draining_stderr AssertionError: assert 592 == 15000 + where 592 = len(['consumed 0', 'consumed 1', 'consumed 2', 'consumed 3', 'consumed 4', 'consumed 5', ...])

test_draining_stderr_with_stderr_redirect AssertionError: assert 592 == 10000 + where 592 = len(['consumed 0', 'consumed 1', 'consumed 2', 'consumed 3', 'consumed 4', 'consumed 5', ...])

test_draining_stderr_with_stdout_redirect AssertionError: assert 592 == 15000 + where 592 = len(['consumed 0', 'consumed 1', 'consumed 2', 'consumed 3', 'consumed 4', 'consumed 5', ...])