Update for action version.

See https://github.com/apache/openwhisk/pull/4761.
diff --git a/tests/src/test/scala/actionContainers/Ruby25ActionContainerTests.scala b/tests/src/test/scala/actionContainers/Ruby25ActionContainerTests.scala
index 68146bd..c93d5a4 100644
--- a/tests/src/test/scala/actionContainers/Ruby25ActionContainerTests.scala
+++ b/tests/src/test/scala/actionContainers/Ruby25ActionContainerTests.scala
@@ -106,6 +106,7 @@
         |       "api_key" => ENV['__OW_API_KEY'],
         |       "namespace" => ENV['__OW_NAMESPACE'],
         |       "action_name" => ENV['__OW_ACTION_NAME'],
+        |       "action_version" => ENV['__OW_ACTION_VERSION'],
         |       "activation_id" => ENV['__OW_ACTIVATION_ID'],
         |       "deadline" => ENV['__OW_DEADLINE']
         |  }