Add the test_repeat_layer.py

python/paddle/trainer_config_helpers/tests/configs/test_repeat_layer.py

@@ -0,0 +1,11 @@
+from paddle.trainer_config_helpers import *
+
+settings(batch_size=1000, learning_rate=1e-5)
+
+din = data_layer(name='data', size=30)
+
+outputs(
+    repeat_layer(
+        input=din, num_repeats=10, as_row_vector=True),
+    repeat_layer(
+        input=din, num_repeats=10, act=TanhActivation(), as_row_vector=False))