Remove repeated tests

Author: lvapeab

.travis.yml

@@ -42,13 +42,13 @@ matrix:
         - python: 2.7
           env: KERAS_BACKEND=tensorflow TEST_MODE=ConditionalLSTM DEPTH=shallow
         - python: 2.7
-          env: KERAS_BACKEND=tensorflow TEST_MODE=GRU DEPTH=deep
+          env: KERAS_BACKEND=tensorflow TEST_MODE=GRU DEPTH=deep DIR=bidir
         - python: 2.7
-          env: KERAS_BACKEND=tensorflow TEST_MODE=LSTM DEPTH=deep
+          env: KERAS_BACKEND=tensorflow TEST_MODE=LSTM DEPTH=deep DIR=bidir
         - python: 2.7
-          env: KERAS_BACKEND=tensorflow TEST_MODE=ConditionalGRU DEPTH=deep
+          env: KERAS_BACKEND=tensorflow TEST_MODE=ConditionalGRU DEPTH=deep DIR=bidir
         - python: 2.7
-          env: KERAS_BACKEND=tensorflow TEST_MODE=ConditionalLSTM DEPTH=deep
+          env: KERAS_BACKEND=tensorflow TEST_MODE=ConditionalLSTM DEPTH=deep DIR=bidir
         - python: 2.7
           env: KERAS_BACKEND=tensorflow TEST_MODE=GRU DEPTH=deep DIR=unidir
         - python: 2.7
@@ -57,14 +57,7 @@ matrix:
           env: KERAS_BACKEND=tensorflow TEST_MODE=ConditionalGRU DEPTH=deep DIR=unidir
         - python: 2.7
           env: KERAS_BACKEND=tensorflow TEST_MODE=ConditionalLSTM DEPTH=deep DIR=unidir
-        - python: 2.7
-          env: KERAS_BACKEND=tensorflow TEST_MODE=GRU DEPTH=deep DIR=bidir
-        - python: 2.7
-          env: KERAS_BACKEND=tensorflow TEST_MODE=LSTM DEPTH=deep DIR=bidir
-        - python: 2.7
-          env: KERAS_BACKEND=tensorflow TEST_MODE=ConditionalGRU DEPTH=deep DIR=bidir
-        - python: 2.7
-          env: KERAS_BACKEND=tensorflow TEST_MODE=ConditionalLSTM DEPTH=deep DIR=bidir
+
 # command to install dependencies
 install:
   # code below is taken from http://conda.pydata.org/docs/travis.html