Fix sprint goal heading assertion

Match feature-spec headings exactly when identifying one concrete title.
This avoids selecting headings that merely include the expected text,
such as the sprint blankslate heading generated from the sprint name.

Author: myabc

modules/backlogs/spec/features/burndown/show_spec.rb

@@ -51,9 +51,9 @@
     planning_page.click_in_sprint_menu(sprint, "Burndown chart")
 
     expect(page)
-      .to have_heading(sprint.name, level: 2)
+      .to have_heading(sprint.name, level: 2, exact: true)
     expect(page)
-      .to have_content "#{sprint.start_date.strftime('%m/%d/%Y')} – #{sprint.finish_date.strftime('%m/%d/%Y')}"
+      .to have_text "#{sprint.start_date.strftime('%m/%d/%Y')} – #{sprint.finish_date.strftime('%m/%d/%Y')}"
     expect(page)
       .to have_element :"opce-burndown-chart"
   end

modules/backlogs/spec/features/empty_backlogs_spec.rb

@@ -49,12 +49,12 @@
 
     it "shows blankslate with description" do
       within "#owner_backlogs_container .blankslate" do
-        expect(page).to have_heading("Backlog inbox is empty")
+        expect(page).to have_heading("Backlog inbox is empty", exact: true)
         expect(page).to have_text("All open work packages in this project will automatically appear here.")
       end
 
       within "#sprint_backlogs_container .blankslate" do
-        expect(page).to have_heading("No sprints present yet")
+        expect(page).to have_heading("No sprints present yet", exact: true)
         expect(page).to have_text("To start planning your sprint, create one here")
         expect(page).to have_link("project settings")
       end
@@ -67,12 +67,12 @@
 
     it "shows a blankslate without description" do
       within "#owner_backlogs_container .blankslate" do
-        expect(page).to have_heading("Backlog inbox is empty")
+        expect(page).to have_heading("Backlog inbox is empty", exact: true)
         expect(page).to have_text("All open work packages in this project will automatically appear here.")
       end
 
       within "#sprint_backlogs_container .blankslate" do
-        expect(page).to have_heading("No sprints present yet")
+        expect(page).to have_heading("No sprints present yet", exact: true)
         expect(page).to have_text("No sprints are available for this project yet.")
       end
     end

modules/backlogs/spec/features/projects/settings/backlog_sharing_settings_spec.rb

@@ -178,7 +178,7 @@
     it "does not show the sharing tab and forbids direct route access" do
       visit project_settings_backlogs_path(project)
 
-      expect(page).to have_heading(I18n.t(:label_backlogs))
+      expect(page).to have_heading(I18n.t(:label_backlogs), exact: true)
       expect(page).to have_no_link(I18n.t("backlogs.sharing"))
 
       visit project_settings_backlog_sharing_path(project)

modules/backlogs/spec/support/pages/backlog.rb

@@ -339,7 +339,7 @@ def expect_sprint_names_in_order(*sprint_names)
     def expect_sprint_heading_with_goal(sprint_name, goal_text)
       within(:section, sprint_name) do
         expect(page)
-          .to have_heading(sprint_name, level: 4, accessible_description: goal_text)
+          .to have_heading(sprint_name, level: 4, accessible_description: goal_text, exact: true)
       end
     end