Fix test_synchronize_remote_deletion_while_download_file on Windows

tests/test_remote_deletion.py::TestRemoteDeletion::test_synchronize_remote_deletion_while_download_file FAILED [100%]

================================== FAILURES ===================================
___ TestRemoteDeletion.test_synchronize_remote_deletion_while_download_file ___

self = <tests.test_remote_deletion.TestRemoteDeletion testMethod=test_synchronize_remote_deletion_while_download_file>

    @pytest.mark.randombug("NXDRIVE-0", condition=True, mode="STRICT")
    def test_synchronize_remote_deletion_while_download_file(self):
        if WINDOWS:
>           self._remote_deletion_while_download_file()

self       = <tests.test_remote_deletion.TestRemoteDeletion testMethod=test_synchronize_remote_deletion_while_download_file>

tests\test_remote_deletion.py:146: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = <tests.test_remote_deletion.TestRemoteDeletion testMethod=test_synchronize_remote_deletion_while_download_file>

    def _remote_deletion_while_download_file(self):
        local = self.local_1
        remote = self.remote_document_client_1
    
        def check_suspended(*_):
            """ Add delay when upload and download. """
            if not self.engine_1.has_delete:
                # Delete remote file while downloading
                try:
                    remote.delete("/Test folder/testFile.pdf")
                except:
                    log.exception("Deletion error")
                else:
                    self.engine_1.has_delete = True
            time.sleep(1)
            self.engine_1.suspend_client()
    
        self.engine_1.start()
        self.engine_1.has_delete = False
    
        with patch.object(self.engine_1.remote, "check_suspended", new=check_suspended):
            # Create documents in the remote root workspace
            remote.make_folder("/", "Test folder")
            with open(self.location + "/resources/testFile.pdf", "rb") as pdf:
                remote.make_file("/Test folder", "testFile.pdf", pdf.read())
    
            self.wait_sync(wait_for_async=True)
>           assert not local.exists("/Test folder/testFile.pdf")
E           AssertionError: assert not True