outputParameters.add(descriptorBuilder.buildOutputParameterType("out", "out", DataType.STD_OUT));
ServiceDescription serviceDescription = descriptorBuilder.buildServiceDescription("comma_app", "comma_app",
inputParameters, outputParameters);
ServiceDescription serviceDescription2 = descriptorBuilder.buildServiceDescription("echo_app", "echo_app",
inputParameters, outputParameters);
log("Adding service description ...");
addServiceDescriptor(serviceDescription, "comma_app");
Assert.assertTrue(airavataAPI.getApplicationManager().isServiceDescriptorExists(