'_isGlobbingExpression will return False for None, or empty
segments.'

def test_isGlobbingExpressionEmptySegments(self):

    self.assertFalse(ftp._isGlobbingExpression())
    self.assertFalse(ftp._isGlobbingExpression([]))
    self.assertFalse(ftp._isGlobbingExpression(None))
