“4adc8a7aa1d78e9c37d285007eb9e2a6e2e1e180”上不存在“python/paddle/v2/fluid/tests/unittests/test_gru_op.py”
* speedup split_op test=develop * speedup split_op test=develop * rename ConcatGrad to Split * refine concat and split test=develop * fix compile error