'Attempts to bind mount to a mountpoint that does not exist fail with a
``BindMountError``.'

def test_failing_bind_mount(self):

    src_directory = self._get_directory_for_mount()
    target_directory = self._get_directory_for_mount().child('nonexistent')
    with ExpectedException(BindMountError, '.*nonexistent.*'):
        self.manager_under_test.bind_mount(src_directory, target_directory)
