attempt to stabilize flickering spec

modules/my_page/spec/features/my/accountable_spec.rb

@@ -79,6 +79,12 @@ describe 'Accountable widget on my page', type: :feature, js: true do
   end
 
   it 'can add the widget and see the work packages the user is accountable for' do
+    # Added to ensure the page has finished loading.
+    # The page starts with a "wp created widget".
+    created_area = Components::Grids::GridArea.new('.grid--area.-widgeted:nth-of-type(2)')
+    expect(created_area.area)
+      .to have_selector('.subject', text: accountable_work_package.subject)
+
     # Add widget below existing widgets
     my_page.add_widget(2, 2, :row, "Work packages I am accountable for")