Update for action version. (#71)

See https://github.com/apache/openwhisk/pull/4761.
diff --git a/tests/src/test/scala/runtime/actionContainers/Php7ActionContainerTests.scala b/tests/src/test/scala/runtime/actionContainers/Php7ActionContainerTests.scala
index 35181af..0af4983 100644
--- a/tests/src/test/scala/runtime/actionContainers/Php7ActionContainerTests.scala
+++ b/tests/src/test/scala/runtime/actionContainers/Php7ActionContainerTests.scala
@@ -110,6 +110,7 @@
         |       "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'],
         |    ];