Merge branch 'jivanvl-update-issue-card-specs' into 'master'

Make issue_card_spec compatible w/Bootstrap vue 2

See merge request gitlab-org/gitlab!20503

spec/frontend/boards/issue_card_spec.js

@@ -51,6 +51,7 @@ describe('Issue card component', () => {
       },
       store,
       sync: false,
+      attachToDocument: true,
     });
   });