Add an example notebook for implementing PS with Ray (intel-analytics…

…#1522)

* upup

* add ps notebook for ray

python/orca/src/test/dev/run-pytests-ray

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+#
+# Copyright 2018 Analytics Zoo Authors.
+#
+# 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.
+#
+
+. `dirname $0`/prepare_env.sh
+
+cd "`dirname $0`"
+
+export PYSPARK_PYTHON=python
+export PYSPARK_DRIVER_PYTHON=python
+
+python -m pytest -v ../test/zoo/ray/ \
+       --ignore=../test/zoo/ray/integration/
+exit_status_2=$?
+if [ $exit_status_2 -ne 0 ];
+then
+    exit $exit_status_2
+fi