'Tests the filter method of a List of Embedded Documents
with multiple keywords.'

def test_multi_keyword_filter(self):

    filtered = self.post2.comments.filter(author='user2', message='message2')
    self.assertEqual(len(filtered), 1)
    self.assertEqual(filtered[0].author, 'user2')
    self.assertEqual(filtered[0].message, 'message2')
