Resolve "Error handling on send"

Closes #9 (closed)

features/adapter_publish.feature

     When the publish method is called 
     Then an error response is returned with status 403 
     Then the credentials are deleted
-    Then the publish method is called with is_retry on
+    Then the publish method was called with is_retry on
     Then the getAuthorizationHeader method is called 
     
   Scenario: On a retried 403 the message is not retried again