def METHOD_NAME(self):
    c1 = DictLikeMatrixWrapper(['a', 'b'], {'a': 1, 'b': 2})
    c2 = DictLikeMatrixWrapper(['a', 'b'], {'a': 4, 'b': 5})
    c1_dot_c2 = c1.dot(c2.matrix)  # should be, (1*4) + (2*5) = 14
    self.assertTrue((c1_dot_c2[0] == 14).all())