Changes to Standalone integration tests

* Removing task.inputs since its not required in the new Samza 1.0 API
* Fixing input-output sys bug
* Fixing jobModel zk path bug -- camel case.

Author: rmatharu@linkedin.com <rmatharu@linkedin.com>

Reviewers: Prateek Maheshwari <pmaheshwari@apache.org>

Closes #756 from rmatharu/standalonetests
diff --git a/samza-test/src/main/config/standalone.failure.test.properties b/samza-test/src/main/config/standalone.failure.test.properties
index d855d5f..d200251 100644
--- a/samza-test/src/main/config/standalone.failure.test.properties
+++ b/samza-test/src/main/config/standalone.failure.test.properties
@@ -26,7 +26,6 @@
 job.id=test-app-id
 
 ## Kafka I/O system properties.
-task.inputs=standalone_integration_test_kafka_input_topic
 input.stream.name=standalone_integration_test_kafka_input_topic
 job.default.system=testSystemName
 systems.testSystemName.samza.factory=org.apache.samza.system.kafka.KafkaSystemFactory
diff --git a/samza-test/src/main/java/org/apache/samza/test/integration/TestStandaloneIntegrationApplication.java b/samza-test/src/main/java/org/apache/samza/test/integration/TestStandaloneIntegrationApplication.java
index 2002ce6..fba3b52 100644
--- a/samza-test/src/main/java/org/apache/samza/test/integration/TestStandaloneIntegrationApplication.java
+++ b/samza-test/src/main/java/org/apache/samza/test/integration/TestStandaloneIntegrationApplication.java
@@ -40,15 +40,15 @@
   public void describe(StreamApplicationDescriptor appDescriptor) {
     String systemName = "testSystemName";
     String inputStreamName = appDescriptor.getConfig().get("input.stream.name");
-    String outputStreamName = "standaloneIntegrationTestKafkaOutputTopic";
-    LOGGER.info("Publishing message from: {} to: {}.", inputStreamName, outputStreamName);
+     String outputStreamName = "standaloneIntegrationTestKafkaOutputTopic";
+     LOGGER.info("Publishing message from: {} to: {}.", inputStreamName, outputStreamName);
     KafkaSystemDescriptor kafkaSystemDescriptor = new KafkaSystemDescriptor(systemName);
 
     KVSerde<Object, Object> noOpSerde = KVSerde.of(new NoOpSerde<>(), new NoOpSerde<>());
     KafkaInputDescriptor<KV<Object, Object>> isd =
         kafkaSystemDescriptor.getInputDescriptor(inputStreamName, noOpSerde);
     KafkaOutputDescriptor<KV<Object, Object>> osd =
-        kafkaSystemDescriptor.getOutputDescriptor(inputStreamName, noOpSerde);
+        kafkaSystemDescriptor.getOutputDescriptor(outputStreamName, noOpSerde);
     appDescriptor.getInputStream(isd).sendTo(appDescriptor.getOutputStream(osd));
   }
 }
diff --git a/samza-test/src/main/python/tests/zk_client.py b/samza-test/src/main/python/tests/zk_client.py
index 2a11a80..006d84f 100644
--- a/samza-test/src/main/python/tests/zk_client.py
+++ b/samza-test/src/main/python/tests/zk_client.py
@@ -47,8 +47,8 @@
         self.kazoo_client.stop()
 
     def watch_job_model(self, watch_function):
-        self.kazoo_client.ensure_path('{0}/JobModelGeneration/jobModels/'.format(self.zk_base_node))
-        self.kazoo_client.get_children('{0}/JobModelGeneration/jobModels/'.format(self.zk_base_node), watch=watch_function)
+        self.kazoo_client.ensure_path('{0}/jobModelGeneration/jobModels/'.format(self.zk_base_node))
+        self.kazoo_client.get_children('{0}/jobModelGeneration/jobModels/'.format(self.zk_base_node), watch=watch_function)
 
     def get_latest_job_model(self):
         """
@@ -56,12 +56,12 @@
         """
         job_model_dict = {}
         try:
-            childZkNodes = self.kazoo_client.get_children('{0}/JobModelGeneration/jobModels/'.format(self.zk_base_node))
+            childZkNodes = self.kazoo_client.get_children('{0}/jobModelGeneration/jobModels/'.format(self.zk_base_node))
             if len(childZkNodes) > 0:
                 childZkNodes.sort()
                 childZkNodes.reverse()
 
-                job_model_generation_path = '{0}/JobModelGeneration/jobModels/{1}/'.format(self.zk_base_node, childZkNodes[0])
+                job_model_generation_path = '{0}/jobModelGeneration/jobModels/{1}/'.format(self.zk_base_node, childZkNodes[0])
                 job_model, _ = self.kazoo_client.get(job_model_generation_path)
 
                 """