Add currentUser in GradesPage.test.js

test plan:
  - Spec pass

qa risk: low

Change-Id: Icca4ab6e36c7ac7a6c5905c7dee59cca52ac1a75
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/274030
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

@@ -123,7 +123,6 @@ const ignoredErrors = [
   /The prop `conferenceTypes\[0\].name` is marked as required in `(AddConference|ConferenceButton)`/,
   /The prop `containingContext.userId` is marked as required in `CanvasContentTray`/,
   /The prop `courseId` is marked as required in `(LatestAnnouncementLink|PublishButton)`/,
-  /The prop `currentUser` is marked as required in `GradesPage`/,
   /The prop `currentUserRoles` is marked as required in `ObserverOptions`/,
   /The prop `dateTime` is marked as required in `FriendlyDatetime`/,
   /The prop `firstAnnouncement.id` is marked as required in `K5Announcement`/,

ui/features/k5_dashboard/react/__tests__/GradesPage.test.js

@@ -223,7 +223,10 @@ const defaultSpecificPeriodGrades = [
 
 const defaultProps = {
   visible: true,
-  currentUserRoles: ['student', 'user']
+  currentUserRoles: ['student', 'user'],
+  currentUser: {
+    id: '1'
+  }
 }
 
 describe('GradesPage', () => {