Create end-to-end test for issues analytics

qa/qa/specs/features/ee/browser_ui/2_plan/issues_analytics/issues_analytics_spec.rb

+# frozen_string_literal: true
+
+module QA
+  context 'Plan' do
+    describe 'Issues analytics' do
+      let(:issue) do
+        Resource::Issue.fabricate_via_api! do |issue|
+          issue.title = 'Issue to test Issues Analytics'
+        end
+      end
+
+      before do
+        Runtime::Browser.visit(:gitlab, Page::Main::Login)
+        Page::Main::Login.perform(&:sign_in_using_credentials)
+      end
+
+      it 'displays a graph' do
+        page.visit("#{issue.project.group.web_url}/-/issues_analytics")
+
+        EE::Page::Group::IssuesAnalytics.perform do |issues_analytics|
+          expect(issues_analytics.graph).to be_visible
+        end
+      end
+    end
+  end
+end