Add onCompose to MessageListActionContainer.test.js

test plan:
  - Spec pass

qa risk: low

Change-Id: I4acc3ab0c9e3ecd6bfb227fac9663cc72f110479
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/274036
Tested-by: Service Cloud Jenkins <svc.cloudjenkins@instructure.com>
Reviewed-by: Davis Hyer <dhyer@instructure.com>
QA-Review: Davis Hyer <dhyer@instructure.com>
Product-Review: Davis Hyer <dhyer@instructure.com>

jest/jest-setup.js

@@ -117,7 +117,6 @@ const ignoredErrors = [
   /The prop `closeTray` is marked as required in `HelpTray`/,
   /The prop `color` is marked as required in `StatusColorListItem`/,
   /The prop `colors.late` is marked as required in `StatusColorPanel`/,
-  /The prop `compose` is marked as required in `MessageActionButtons`/,
   /The prop `conferenceType.type` is marked as required in `Conference`/,
   /The prop `conferenceTypes\[0\].name` is marked as required in `(AddConference|ConferenceButton)`/,
   /The prop `containingContext.userId` is marked as required in `CanvasContentTray`/,

ui/features/inbox/react/containers/__tests__/MessageListActionContainer.test.js

@@ -53,7 +53,7 @@ describe('MessageListActionContainer', () => {
     return render(
       <ApolloProvider client={mswClient}>
         <AlertManagerContext.Provider value={{setOnFailure: jest.fn(), setOnSuccess: jest.fn()}}>
-          <MessageListActionContainer {...overrideProps} />
+          <MessageListActionContainer onCompose={jest.fn()} {...overrideProps} />
         </AlertManagerContext.Provider>
       </ApolloProvider>
     )