[issue30542] test_files() of test_tools.test_unparse.DirectoryTestCase leaks references

[STINNER Victor]

STINNER Victor added the comment:

Attached test_unparse.py file should be copied to Lib/test/test_tools/test_unparse.py to run:

./python -m test -R 1:2 -m test_files test_tools

With this change, I get this output:
---
haypo at selma$ ./python -m test -R 1:2 -m test_files test_tools
Run tests sequentially
0:00:00 load avg: 0.12 [1/1] test_tools
beginning 3 repetitions
123
...
test_tools leaked [6, 19] references, sum=25
test_tools leaked [3, 5] memory blocks, sum=8
test_tools failed

1 test failed:
    test_tools

Total duration: 223 ms
Tests result: FAILURE
---

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Added file: http://bugs.python.org/file46931/test_unparse.py

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<http://bugs.python.org/issue30542>
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