Windows: random bug test_local_rename_file_while_creating_before_marker

[INFO]      [exec] FAIL: test_local_rename_file_while_creating_before_marker (nxdrive.tests.test_local_move_and_rename.TestLocalMoveAndRename)
[INFO]      [exec] ----------------------------------------------------------------------
[INFO]      [exec] Traceback (most recent call last):
[INFO]      [exec]   File "C:\Jenkins\0ebd1d51\workspace\master\FT-nuxeo-drive-master-windows\nuxeo-drive-client\nxdrive\tests\test_local_move_and_rename.py", line 160, in test_local_rename_file_while_creating_before_marker
[INFO]      [exec]     self.assertEquals('Renamed File.txt', info.name)
[INFO]      [exec] AssertionError: 'Renamed File.txt' != u'File.txt'