[#73887] Add missing test cases for buckets and sprints

modules/backlogs/spec/lib/api/v3/work_packages/work_package_representer_rendering_spec.rb

@@ -67,9 +67,11 @@ RSpec.describe API::V3::WorkPackages::WorkPackageRepresenter, "rendering" do
   current_user { build_stubbed(:user) }
 
   before do
-    mock_permissions_for(current_user) do |mock|
-      permissions.each do |permission|
-        mock.allow_in_project(*permission, project:) if project
+    if project.present?
+      mock_permissions_for(current_user) do |mock|
+        permissions.each do |permission|
+          mock.allow_in_project(*permission, project:)
+        end
       end
     end
   end
@@ -119,6 +121,14 @@ RSpec.describe API::V3::WorkPackages::WorkPackageRepresenter, "rendering" do
 
         it_behaves_like "has no link"
       end
+
+      context "when the work package has no backlog bucket assigned" do
+        let(:sprint) { nil }
+
+        it_behaves_like "has an empty link" do
+          let(:link) { "sprint" }
+        end
+      end
     end
 
     describe "backlogBucket" do
@@ -179,6 +189,12 @@ RSpec.describe API::V3::WorkPackages::WorkPackageRepresenter, "rendering" do
 
         it_behaves_like "has the resource not embedded"
       end
+
+      context "when the work package has no sprint assigned" do
+        let(:sprint) { nil }
+
+        it_behaves_like "has the resource not embedded"
+      end
     end
 
     describe "backlogBucket" do

modules/backlogs/spec/requests/api/v3/sprints/project_index_resource_spec.rb

@@ -71,5 +71,11 @@ RSpec.describe "API v3 Sprint resource on project", content_type: :json do
 
       it_behaves_like "unauthorized access"
     end
+
+    context "for a user being not a project member at all" do
+      let(:get_path) { api_v3_paths.project_sprints(project_without_permission.id) }
+
+      it_behaves_like "not found"
+    end
   end
 end