Merge pull request #298 from murgatroid99/interop_run_node

Add node client and server to the list of interop tests to run

tools/gce_setup/interop_test_runner.sh

@@ -3,8 +3,8 @@
 main() {
   source grpc_docker.sh
   test_cases=(large_unary empty_unary ping_pong client_streaming server_streaming)
-  clients=(cxx java go ruby)
-  servers=(cxx java go ruby)
+  clients=(cxx java go ruby node)
+  servers=(cxx java go ruby node)
   for test_case in "${test_cases[@]}"
   do
     for client in "${clients[@]}"