Fix tests not starting on Windows due to the Linux subsytem

 [INFO]      [exec] ============================= test session starts =============================
 [INFO]      [exec] platform win32 -- Python 3.7.4, pytest-5.2.1, py-1.8.0, pluggy-0.13.0
 [INFO]      [exec] rootdir: C:\Jenkins\workspace\Drive\Drive-OS-test-jobs\Drive-tests-windows-master\sources, inifile: setup.cfg
 [INFO]      [exec] plugins: cov-2.8.1, forked-1.1.3, timeout-1.3.3, xdist-1.30.0
 [INFO]      [exec] gw0 I / gw1 I / gw2 I / gw3 I
 [INFO]      [exec] gw0 [0] / gw1 [0] / gw2 [0] / gw3 [0]
 [INFO]      [exec] =================================== ERRORS ====================================
 [INFO]      [exec] ________________________ ERROR collecting test session ________________________
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\_pytest\config\__init__.py:456: in _importconftest
 [INFO]      [exec]     return self._conftestpath2mod[key]
 [INFO]      [exec] E   KeyError: WindowsPath('C:/Jenkins/workspace/Drive/Drive-OS-test-jobs/Drive-tests-windows-master/sources/tests/functional/conftest.py')
 [INFO]      [exec] During handling of the above exception, another exception occurred:
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\_pytest\config\__init__.py:462: in _importconftest
 [INFO]      [exec]     mod = conftestpath.pyimport()
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\py\_path\local.py:701: in pyimport
 [INFO]      [exec]     __import__(modname)
 [INFO]      [exec] <frozen importlib._bootstrap>:983: in _find_and_load
 [INFO]      [exec]     ???
 [INFO]      [exec] <frozen importlib._bootstrap>:967: in _find_and_load_unlocked
 [INFO]      [exec]     ???
 [INFO]      [exec] <frozen importlib._bootstrap>:677: in _load_unlocked
 [INFO]      [exec]     ???
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\_pytest\assertion\rewrite.py:142: in exec_module
 [INFO]      [exec]     exec(co, module.__dict__)
 [INFO]      [exec] tests\functional\conftest.py:11: in <module>
 [INFO]      [exec]     from nxdrive.manager import Manager
 [INFO]      [exec] nxdrive\manager.py:17: in <module>
 [INFO]      [exec]     from .autolocker import ProcessAutoLockerWorker
 [INFO]      [exec] nxdrive\autolocker.py:26: in <module>
 [INFO]      [exec]     from .osi.windows.files import get_other_opened_files
 [INFO]      [exec] nxdrive\osi\windows\files.py:6: in <module>
 [INFO]      [exec]     from win32com.client import GetActiveObject
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\win32com\client\__init__.py:11: in <module>
 [INFO]      [exec]     from . import gencache
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\win32com\client\gencache.py:660: in <module>
 [INFO]      [exec]     __init__()
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\win32com\client\gencache.py:60: in __init__
 [INFO]      [exec]     _LoadDicts()
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\win32com\client\gencache.py:113: in _LoadDicts
 [INFO]      [exec]     version = p.load()
 [INFO]      [exec] E   EOFError: Ran out of input
 [INFO]      [exec] During handling of the above exception, another exception occurred:
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\py\_path\common.py:377: in visit
 [INFO]      [exec]     for x in Visitor(fil, rec, ignore, bf, sort).gen(self):
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\py\_path\common.py:429: in gen
 [INFO]      [exec]     for p in self.gen(subdir):
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\py\_path\common.py:418: in gen
 [INFO]      [exec]     dirs = self.optsort([p for p in entries
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\py\_path\common.py:419: in <listcomp>
 [INFO]      [exec]     if p.check(dir=1) and (rec is None or rec(p))])
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\_pytest\main.py:606: in _recurse
 [INFO]      [exec]     ihook = self.gethookproxy(dirpath)
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\_pytest\main.py:424: in gethookproxy
 [INFO]      [exec]     my_conftestmodules = pm._getconftestmodules(fspath)
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\_pytest\config\__init__.py:434: in _getconftestmodules
 [INFO]      [exec]     mod = self._importconftest(conftestpath)
 [INFO]      [exec] ..\deploy-dir\3.7.4\lib\site-packages\_pytest\config\__init__.py:470: in _importconftest
 [INFO]      [exec]     raise ConftestImportFailure(conftestpath, sys.exc_info())
 [INFO]      [exec] E   _pytest.config.ConftestImportFailure: (local('C:\\Jenkins\\workspace\\Drive\\Drive-OS-test-jobs\\Drive-tests-windows-master\\sources\\tests\\functional\\conftest.py'), (<class 'EOFError'>, EOFError('Ran out of input'), <traceback object at 0x03181CB0>))