remove test split op in imperative

python/paddle/fluid/tests/unittests/test_imperative_split.py

-# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from __future__ import print_function
-
-import unittest
-import paddle.fluid as fluid
-from paddle.fluid.imperative.base import to_variable
-import numpy as np
-
-
-class Split_test(fluid.imperative.Layer):
-    def __init__(self):
-        super(Split_test, self).__init__()
-
-    def _build_once(self, input):
-        pass
-
-    def forward(self, input):
-        out = fluid.layers.split(input, num_or_sections=4, dim=-1)
-        return out
-
-
-class TestImperativePtbRnn(unittest.TestCase):
-    def test_spilt(self):
-        with fluid.imperative.guard():
-            inp = to_variable(np.arange(160).reshape(4, 40).astype('float32'))
-            st = Split_test()
-            out = st(inp)
-
-
-if __name__ == '__main__':
-    unittest.main()