Feature flag for group test coverage

Created a feature flag to hide the group
test coverage table while we develop the
feature. The backend and the frontend will
be done separately, and this allows us to work
in parallel.

ee/app/assets/javascripts/analytics/repository_analytics/components/group_repository_analytics.vue

 <script>
 import { s__ } from '~/locale';
+import glFeatureFlagsMixin from '~/vue_shared/mixins/gl_feature_flags_mixin';
+import TestCoverageTable from './test_coverage_table.vue';
 import DownloadTestCoverage from './download_test_coverage.vue';
 
 export default {
   name: 'GroupRepositoryAnalytics',
   components: {
+    TestCoverageTable,
     DownloadTestCoverage,
   },
+  mixins: [glFeatureFlagsMixin()],
   text: {
     codeCoverageHeader: s__('RepositoriesAnalytics|Test Code Coverage'),
   },
+  computed: {
+    shouldShowCoverageReport() {
+      return this.glFeatures.groupCoverageDataReport;
+    },
+  },
 };
 </script>
 
@@ -18,6 +27,7 @@ export default {
     <h4 data-testid="test-coverage-header">
       {{ $options.text.codeCoverageHeader }}
     </h4>
+    <test-coverage-table v-if="shouldShowCoverageReport" />
     <download-test-coverage />
   </div>
 </template>

ee/app/assets/javascripts/analytics/repository_analytics/components/test_coverage_table.vue

+<script>
+import { GlCard } from '@gitlab/ui';
+import { s__ } from '~/locale';
+
+export default {
+  name: 'TestCoverageTable',
+  components: {
+    GlCard,
+  },
+  text: {
+    // This is a temporary placeholder until we actually implement the feature
+    header: s__('RepositoriesAnalytics|Test Code Coverage'),
+  },
+};
+</script>
+<template>
+  <gl-card>
+    <template #header>
+      <h5>{{ $options.text.header }}</h5>
+    </template>
+  </gl-card>
+</template>

ee/app/controllers/groups/analytics/repository_analytics_controller.rb

@@ -8,6 +8,7 @@ class Groups::Analytics::RepositoryAnalyticsController < Groups::Analytics::Appl
   before_action :load_group
   before_action -> { check_feature_availability!(:group_repository_analytics) }
   before_action -> { authorize_view_by_action!(:read_group_repository_analytics) }
+  before_action -> { push_frontend_feature_flag(:group_coverage_data_report, @group, default_enabled: false) }
 
   def show
     track_event(pageview_tracker_params)

ee/config/feature_flags/development/group_coverage_data_report.yml

+---
+name: group_coverage_data_report
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/43774
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/215135/
+type: development
+group: group::testing
+default_enabled: false