[issue10992] tests failing when run under coverage

[Brett Cannon]

New submission from Brett Cannon <brett at python.org>:

A bunch of tests fail when run under coverage (trend seems to be refcount tests). This is to act as a meta-issue to keep track of what tests need to be fixed.

[fail under both coverage.py and regrtest -T]
test_ctypes
test_descr
test_gc
test_metaclass
test_pydoc
test_trace

[coverage.py only]
test_genexps
test_sys

[regrtest -T only]
test_array
test_importlib
test_runpy

----------
components: Tests
messages: 126913
nosy: brett.cannon
priority: normal
severity: normal
stage: needs patch
status: open
title: tests failing when run under coverage
type: behavior
versions: Python 3.3

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue10992>
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