add dist ut for text_classification

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

+#   Copyright (c) 2018 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
+from test_dist_base import TestDistBase
+
+
+class TestDistTextClassification2x2(TestDistBase):
+    def test_text_classification(self):
+        self.check_with_place("dist_text_classification.py", delta=1e-7)
+
+
+if __name__ == "__main__":
+    unittest.main()