[issue30357] test_thread.test_save_exception_state_on_error(): Unhandled exception in thread: AMD64 Debian root 2.7

[Grzegorz Grzywacz]

Grzegorz Grzywacz added the comment:

Problem is with test test_thread.ThreadRunningTests.test_save_exception_state_on_error when other tests leave threads runnig. 

test_save_exception_state_on_error relay on thread._get_count(), if this value decrease test assume thread is finished with is not always correct (other threads finish - started by different test).

Fix is to make sure each test wait for all threads to finsh.

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nosy: +grzgrzgrz3

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<http://bugs.python.org/issue30357>
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