Ignore individual tests

.travis.yml

@@ -34,4 +34,4 @@ script:
   - export MXNET_STORAGE_FALLBACK_LOG_VERBOSE=0
   - mv make/osx.mk config.mk
   - make -j 2
-  - python -m nose --with-timer --timer-top-n 20 --exclude-test=test_sparse_operator.test_elemwise_binary_ops,test_gluon_model_zoo.test_models,test_random.test_shuffle,test_operator.test_broadcast_binary_op,test_operator.test_pick,test_profiler.test_continuous_profile_and_instant_marker,test_metric_perf.test_metric_performance,test_operator.test_order --verbose tests/python/unittest/
+  - python -m nose --with-timer --timer-top-n 20 --exclude-test=test_sparse_operator.test_elemwise_binary_ops --exclude-test=test_gluon_model_zoo.test_models --exclude-test=test_random.test_shuffle --exclude-test=test_operator.test_broadcast_binary_op --exclude-test=test_operator.test_pick --exclude-test=test_profiler.test_continuous_profile_and_instant_marker --exclude-test=test_metric_perf.test_metric_performance --exclude-test=test_operator.test_order --verbose tests/python/unittest/