2 unit tests failed when the filename has a colon character in test data on Windows

[Jun Omae]

The unit tests failed on Windows but passes on Ubuntu and macOS. It is probably caused by changes in the behavior of git command.

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FAIL: test_colon_character_in_filename (tracopt.versioncontrol.git.tests.git_fs.GitRepositoryTestCase.test_colon_character_in_filename)
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Traceback (most recent call last):
  File "D:\a\trac\trac\tracopt\versioncontrol\git\tests\git_fs.py", line 809, in test_colon_character_in_filename
    self._git_fast_import(self._data_colon_character_in_filename)
  File "D:\a\trac\trac\tracopt\versioncontrol\git\tests\git_fs.py", line 76, in _git_fast_import
    self.assertEqual(0, proc.returncode,
AssertionError: 0 != 128 : git exits with 128, stdout b'', stderr b"fatal: invalid path ':100644.txt'\nfast-import: dumping crash report to .git/fast_import_crash_5552\n"

======================================================================
FAIL: test_colon_character_in_filename (tracopt.versioncontrol.git.tests.git_fs.GitCachedRepositoryTestCase.test_colon_character_in_filename)
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Traceback (most recent call last):
  File "D:\a\trac\trac\tracopt\versioncontrol\git\tests\git_fs.py", line 809, in test_colon_character_in_filename
    self._git_fast_import(self._data_colon_character_in_filename)
  File "D:\a\trac\trac\tracopt\versioncontrol\git\tests\git_fs.py", line 76, in _git_fast_import
    self.assertEqual(0, proc.returncode,
AssertionError: 0 != 128 : git exits with 128, stdout b'', stderr b"fatal: invalid path ':100644.txt'\nfast-import: dumping crash report to .git/fast_import_crash_2088\n"

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Ran 2507 tests in 119.984s

FAILED (failures=2, skipped=17)

[Jun Omae]

Fixed in [17894] and merged in [17895].