Fixed invoke action

src/adapter.coffee

@@ -56,6 +56,7 @@ class BotFrameworkAdapter extends Adapter
     # If the command for the invoke doesn't need user input, handle the command
     # normally. If it does need user input, return a prompt for user input.
     menuCardInvoke: (invokeEvent, cb) ->
+        console.log(invokeEvent)
         middleware = @using(invokeEvent.source)
         payload = middleware.maybeConstructUserInputPrompt(invokeEvent)
         if payload == null
@@ -63,7 +64,7 @@ class BotFrameworkAdapter extends Adapter
             delete invokeEvent.value
             @handleActivity(invokeEvent)
         else
-            @sendPayload(@robot, payload)
+            middleware.sendPayload(@robot, @connector, payload)
         return
 
     using: (name) ->

test/hubot-response-cards.test.coffee

@@ -44,7 +44,7 @@ describe 'HubotResponseCards', ->
             # Action
             card = null
             expect(() ->
-                    card = HubotResponseCards.maybeConstructResponseCard(response, query)
+                card = HubotResponseCards.maybeConstructResponseCard(response, query)
             ).to.not.throw()
 
             # Assert
@@ -251,7 +251,7 @@ describe 'HubotResponseCards', ->
             # Action
             card = null
             expect(() ->
-                    card = HubotResponseCards.maybeConstructResponseCard(response, query)
+                card = HubotResponseCards.maybeConstructResponseCard(response, query)
             ).to.not.throw()
 
             # Assert