Merge branch 'osw-more-reliable-scoped-issue-board-specs' into 'master'

Make scoped issue board specs more reliable

Closes #4440

See merge request gitlab-org/gitlab-ee!3892

changelogs/unreleased-ee/osw-more-reliable-scoped-issue-board-specs.yml

+---
+title: Make scoped issue board specs more reliable
+merge_request:
+author:
+type: other

spec/ee/spec/features/boards/scoped_issue_board_spec.rb

@@ -517,7 +517,9 @@ describe 'Scoped issue boards', :js do
     click_on_board_modal
 
     click_button 'Create'
-    expect(page).to have_selector('.board-list-loading')
+
+    wait_for_requests
+
     expect(page).not_to have_selector('.board-list-loading')
   end
 
@@ -532,7 +534,9 @@ describe 'Scoped issue boards', :js do
     click_on_board_modal
 
     click_button 'Save'
-    expect(page).to have_selector('.board-list-loading')
+
+    wait_for_requests
+
     expect(page).not_to have_selector('.board-list-loading')
   end