def METHOD_NAME(self):
    text_val1 = np.array([["a", "Test 1 2 3", "♠♣"], ["Hi there", "test test", "♥♦"]], dtype=np.str)
    text_val2 = np.array([["a", "Test 2 4 6", "♠♣"], ["Hello", "test test", "♥ ♦"]], dtype=np.str)
    def func(text1, text2):
        x = tf.not_equal(text1, text2)
        x_ = tf.identity(x, name=_TFOUTPUT)
        return x_
    self._run_test_case(func, [_OUTPUT], {_INPUT: text_val1, _INPUT1: text_val2})