Update for action version. (#76)

See https://github.com/apache/openwhisk/pull/4761.

tests/src/test/scala/runtime/actionContainers/PythonActionContainerTests.scala

diff --git a/tests/src/test/scala/runtime/actionContainers/PythonActionContainerTests.scala b/tests/src/test/scala/runtime/actionContainers/PythonActionContainerTests.scala
index 132811b..8adbabc 100644
--- a/tests/src/test/scala/runtime/actionContainers/PythonActionContainerTests.scala
+++ b/tests/src/test/scala/runtime/actionContainers/PythonActionContainerTests.scala
@@ -106,6 +106,7 @@
         |       "api_key": os.environ['__OW_API_KEY'],
         |       "namespace": os.environ['__OW_NAMESPACE'],
         |       "action_name": os.environ['__OW_ACTION_NAME'],
+        |       "action_version": os.environ['__OW_ACTION_VERSION'],
         |       "activation_id": os.environ['__OW_ACTIVATION_ID'],
         |       "deadline": os.environ['__OW_DEADLINE']
         |    }