bpo-45020: Don't test IDLE with frozen module.

[terryjreedy]

Otherwise, test would need special import.

https://bugs.python.org/issue45020

[ericsnowcurrently]

LGTM

[terryjreedy]

https://github.com/python/cpython/pull/28344/checks?check_run_id=3605759743
All tests pass until test_multiprocessing_fork timed out after 25 min. On the rerun:

test_get (test.test_multiprocessing_fork.WithProcessesTestQueue) ... Timeout (0:20:00)!
Thread 0x00007f176a71ebc0 (most recent call first):
File "/home/runner/work/cpython/cpython/Lib/multiprocessing/synchronize.py", line 261 in wait
File "/home/runner/work/cpython/cpython/Lib/multiprocessing/synchronize.py", line 349 in wait
File "/home/runner/work/cpython/cpython/Lib/test/_test_multiprocessing.py", line 1001 in test_get
File "/home/runner/work/cpython/cpython/Lib/unittest/case.py", line 549 in _callTestMethod
File "/home/runner/work/cpython/cpython/Lib/unittest/case.py", line 593 in run
File "/home/runner/work/cpython/cpython/Lib/unittest/case.py", line 652 in call
File "/home/runner/work/cpython/cpython/Lib/unittest/suite.py", line 122 in run
File "/home/runner/work/cpython/cpython/Lib/unittest/suite.py", line 84 in call
File "/home/runner/work/cpython/cpython/Lib/unittest/suite.py", line 122 in run
File "/home/runner/work/cpython/cpython/Lib/unittest/suite.py", line 84 in call
File "/home/runner/work/cpython/cpython/Lib/unittest/suite.py", line 122 in run
File "/home/runner/work/cpython/cpython/Lib/unittest/suite.py", line 84 in call
File "/home/runner/work/cpython/cpython/Lib/unittest/runner.py", line 206 in run
File "/home/runner/work/cpython/cpython/Lib/test/support/init.py", line 998 in _run_suite
File "/home/runner/work/cpython/cpython/Lib/test/support/init.py", line 1124 in run_unittest
File "/home/runner/work/cpython/cpython/Lib/test/libregrtest/runtest.py", line 261 in _test_module
File "/home/runner/work/cpython/cpython/Lib/test/libregrtest/runtest.py", line 297 in _runtest_inner2
File "/home/runner/work/cpython/cpython/Lib/test/libregrtest/runtest.py", line 340 in _runtest_inner
File "/home/runner/work/cpython/cpython/Lib/test/libregrtest/runtest.py", line 215 in _runtest
File "/home/runner/work/cpython/cpython/Lib/test/libregrtest/runtest.py", line 245 in runtest
File "/home/runner/work/cpython/cpython/Lib/test/libregrtest/main.py", line 337 in rerun_failed_tests
File "/home/runner/work/cpython/cpython/Lib/test/libregrtest/main.py", line 715 in _main
File "/home/runner/work/cpython/cpython/Lib/test/libregrtest/main.py", line 658 in main
File "/home/runner/work/cpython/cpython/Lib/test/libregrtest/main.py", line 736 in main
File "/home/runner/work/cpython/cpython/Lib/test/main.py", line 2 in
File "/home/runner/work/cpython/cpython/Lib/runpy.py", line 86 in _run_code
File "/home/runner/work/cpython/cpython/Lib/runpy.py", line 196 in _run_module_as_main

bpo-45200

[terryjreedy]

Failures on test run 2.
https://github.com/python/cpython/pull/28344/checks?check_run_id=3606975682

0:02:58 load avg: 2.99 [242/427/1] test__xxsubinterpreters crashed (Exit code 3221225477) -- running: test_mmap (42.3 sec), test_largefile (33.3 sec)

Thread 0x0000178c (most recent call first):

Thread 0x0000178c (most recent call first):
File "D:\a\cpython\cpython\lib\threading.py", line 320 in wait
File "D:\a\cpython\cpython\lib\threading.py", line 600 in wait
File "D:\a\cpython\cpython\lib\threading.py", line 933 in start
File "D:\a\cpython\cpython\lib\test\test__xxsubinterpreters.py", line 798 in test_in_thread
File "D:\a\cpython\cpython\lib\unittest\case.py", line 549 in callTestMethod
File "D:\a\cpython\cpython\lib\unittest\case.py", line 593 in run
File "D:\a\cpython\cpython\lib\unittest\case.py", line 652 in call
File "D:\a\cpython\cpython\lib\unittest\suite.py", line 122 in run
File "D:\a\cpython\cpython\lib\unittest\suite.py", line 84 in call
File "D:\a\cpython\cpython\lib\unittest\suite.py", line 122 in run
File "D:\a\cpython\cpython\lib\unittest\suite.py", line 84 in call
File "D:\a\cpython\cpython\lib\unittest\suite.py", line 122 in run
File "D:\a\cpython\cpython\lib\unittest\suite.py", line 84 in call
File "D:\a\cpython\cpython\lib\unittest\runner.py", line 206 in run
File "D:\a\cpython\cpython\lib\test\support_init.py", line 998 in run_suite
File "D:\a\cpython\cpython\lib\test\support_init.py", line 1124 in run_unittest
File "D:\a\cpython\cpython\lib\test\libregrtest\runtest.py", line 261 in _test_module
File "D:\a\cpython\cpython\lib\test\libregrtest\runtest.py", line 297 in _runtest_inner2
File "D:\a\cpython\cpython\lib\test\libregrtest\runtest.py", line 340 in _runtest_inner
File "D:\a\cpython\cpython\lib\test\libregrtest\runtest.py", line 202 in _runtest
File "D:\a\cpython\cpython\lib\test\libregrtest\runtest.py", line 245 in runtest
File "D:\a\cpython\cpython\lib\test\libregrtest\runtest_mp.py", line 83 in run_tests_worker
File "D:\a\cpython\cpython\lib\test\libregrtest\main.py", line 678 in _main
File "D:\a\cpython\cpython\lib\test\libregrtest\main.py", line 658 in main
File "D:\a\cpython\cpython\lib\test\libregrtest\main.py", line 736 in main
File "D:\a\cpython\cpython\lib\test\regrtest.py", line 43 in _main
File "D:\a\cpython\cpython\lib\test\regrtest.py", line 47 in
File "D:\a\cpython\cpython\lib\runpy.py", line 86 in _run_code
File "D:\a\cpython\cpython\lib\runpy.py", line 196 in _run_module_as_main

======================================================================
FAIL: test_sendfile_close_peer_in_the_middle_of_receiving (test.test_asyncio.test_sendfile.ProactorEventLoopTests)

Traceback (most recent call last):
File "D:\a\cpython\cpython\lib\test\test_asyncio\test_sendfile.py", line 457, in test_sendfile_close_peer_in_the_middle_of_receiving
with self.assertRaises(ConnectionError):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: ConnectionError not raised

[miss-islington]

Thanks @terryjreedy for the PR 🌮🎉.. I'm working now to backport this PR to: 3.9, 3.10.
🐍🍒⛏🤖

[bedevere-bot]

GH-28345 is a backport of this pull request to the 3.10 branch.

[bedevere-bot]

GH-28346 is a backport of this pull request to the 3.9 branch.