Add group endpoint test for nuget

Prior to this MR we were testing nuget package
manager at the project level and push of a
package.

This MR rewrites the test to use the newly
 added group functionality to pull packages
at the group level

ee/app/views/groups/sidebar/_packages.html.haml

@@ -2,12 +2,12 @@
 
 - if group_packages_nav?
   = nav_link(controller: ['groups/packages', 'groups/registry/repositories', 'groups/dependency_proxies']) do
-    = link_to packages_link, title: _('Packages') do
+    = link_to packages_link, title: _('Packages'), data: { qa_selector: 'group_packages_item' } do
       .nav-icon-container
         = sprite_icon('package')
       %span.nav-item-name
         = _('Packages & Registries')
-    %ul.sidebar-sub-level-items
+    %ul.sidebar-sub-level-items{ data: { qa_selector: 'group_packages_submenu' } }
       = nav_link(controller: [:packages, :repositories], html_options: { class: "fly-out-top-item" } ) do
         = link_to packages_link, title: _('Packages & Registries') do
           %strong.fly-out-top-item-name
@@ -15,7 +15,7 @@
       %li.divider.fly-out-top-item
       - if group_packages_list_nav?
         = nav_link(controller: 'groups/packages') do
-          = link_to group_packages_path(@group), title: _('Packages') do
+          = link_to group_packages_path(@group), title: _('Packages'), data: { qa_selector: 'group_packages_link' } do
             %span= _('Package Registry')
       - if group_container_registry_nav?
         = nav_link(controller: 'groups/registry/repositories') do

qa/qa/ee/page/group/menu.rb

@@ -53,6 +53,12 @@ module QA
               view 'ee/app/views/layouts/nav/sidebar/_group_iterations_link.html.haml' do
                 element :group_iterations_link
               end
+
+              view 'ee/app/views/groups/sidebar/_packages.html.haml' do
+                element :group_packages_item
+                element :group_packages_link
+                element :group_packages_submenu
+              end
             end
           end
 
@@ -140,6 +146,14 @@ module QA
             end
           end
 
+          def go_to_group_packages
+            hover_element(:group_packages_item) do
+              within_submenu(:group_packages_submenu) do
+                click_element(:group_packages_link)
+              end
+            end
+          end
+
           def click_group_wiki_link
             within_sidebar do
               click_element(:wiki_link)

qa/qa/specs/features/browser_ui/5_package/nuget_repository_spec.rb

@@ -13,6 +13,13 @@ module QA
         end
       end
 
+      let(:another_project) do
+        Resource::Project.fabricate_via_api! do |project|
+          project.name = 'nuget-package-install-project'
+          project.template_name = 'dotnetcore'
+        end
+      end
+
       let!(:runner) do
         Resource::Runner.fabricate! do |runner|
           runner.name = "qa-runner-#{Time.now.to_i}"
@@ -22,11 +29,21 @@ module QA
         end
       end
 
+      let!(:another_runner) do
+        Resource::Runner.fabricate! do |runner|
+          runner.name = "qa-runner-#{Time.now.to_i}"
+          runner.tags = ["runner-for-#{another_project.name}"]
+          runner.executor = :docker
+          runner.project = another_project
+        end
+      end
+
       after do
         runner.remove_via_api!
+        another_runner.remove_via_api!
       end
 
-      it 'publishes a nuget package and deletes it', testcase: 'https://gitlab.com/gitlab-org/quality/testcases/-/issues/1073' do
+      it 'publishes a nuget package at the project level, installs and deletes it at the group level', testcase: 'https://gitlab.com/gitlab-org/quality/testcases/-/issues/1073' do
         Flow::Login.sign_in
 
         Resource::Repository::Commit.fabricate_via_api! do |commit|
@@ -71,7 +88,67 @@ module QA
           expect(job).to be_successful(timeout: 800)
         end
 
-        Page::Project::Menu.perform(&:click_packages_link)
+        another_project.visit!
+
+        Resource::Repository::Commit.fabricate_via_api! do |commit|
+          commit.project = another_project
+          commit.commit_message = 'Add new csproj file'
+          commit.add_files(
+            [
+                {
+                    file_path: 'otherdotnet.csproj',
+                    content: <<~EOF
+                        <Project Sdk="Microsoft.NET.Sdk">
+
+                          <PropertyGroup>
+                            <OutputType>Exe</OutputType>
+                            <TargetFramework>netcoreapp3.1</TargetFramework>
+                          </PropertyGroup>
+
+                        </Project>
+                    EOF
+                }
+            ]
+          )
+          commit.update_files(
+            [
+                {
+                    file_path: '.gitlab-ci.yml',
+                    content: <<~YAML
+                        image: mcr.microsoft.com/dotnet/core/sdk:3.1
+
+                        stages:
+                          - install
+
+                        install:
+                          stage: install
+                          script:
+                           - dotnet nuget locals all --clear
+                           - dotnet nuget add source "$CI_SERVER_URL/api/v4/groups/#{another_project.group.id}/-/packages/nuget/index.json" --name gitlab --username gitlab-ci-token --password $CI_JOB_TOKEN --store-password-in-clear-text
+                           - "dotnet add otherdotnet.csproj package #{package_name} --version 1.0.0"
+                          only:
+                            - "#{another_project.default_branch}"
+                          tags:
+                            - "runner-for-#{another_project.name}"
+                    YAML
+                }
+            ]
+          )
+        end
+
+        Flow::Pipeline.visit_latest_pipeline
+
+        Page::Project::Pipeline::Show.perform do |pipeline|
+          pipeline.click_job('install')
+        end
+
+        Page::Project::Job::Show.perform do |job|
+          expect(job).to be_successful(timeout: 800)
+        end
+
+        project.group.sandbox.visit!
+
+        Page::Group::Menu.perform(&:go_to_group_packages)
 
         Page::Project::Packages::Index.perform do |index|
           expect(index).to have_package(package_name)