Move test report data attributes

The test report dataset attributes should be
located on the test tab, not the pipelines detail
page. This makes the bundle file more consistent.

app/assets/javascripts/pipelines/pipeline_details_bundle.js

@@ -116,17 +116,23 @@ const createPipelinesTabs = testReportsStore => {
   }
 };
 
-const createTestDetails = (fullReportEndpoint, summaryEndpoint) => {
+const createTestDetails = () => {
   if (!window.gon?.features?.junitPipelineView) {
     return;
   }
 
-  const testReportsStore = createTestReportsStore({ fullReportEndpoint, summaryEndpoint });
+  const el = document.querySelector('#js-pipeline-tests-detail');
+  const { fullReportEndpoint, countEndpoint } = el?.dataset || {};
+
+  const testReportsStore = createTestReportsStore({
+    fullReportEndpoint,
+    summaryEndpoint: countEndpoint,
+  });
   createPipelinesTabs(testReportsStore);
 
   // eslint-disable-next-line no-new
   new Vue({
-    el: '#js-pipeline-tests-detail',
+    el,
     components: {
       TestReports,
     },
@@ -170,6 +176,6 @@ export default () => {
 
   createPipelinesDetailApp(mediator);
   createPipelineHeaderApp(mediator);
-  createTestDetails(dataset.testReportEndpoint, dataset.testReportsCountEndpoint);
+  createTestDetails();
   createDagApp();
 };

app/views/projects/pipelines/_with_tabs.html.haml

@@ -86,5 +86,5 @@
       #js-pipeline-dag-vue{ data: { pipeline_data_path: dag_project_pipeline_path(@project, @pipeline), empty_svg_path: image_path('illustrations/empty-state/empty-dag-md.svg'), dag_doc_path: help_page_path('ci/yaml/README.md', anchor: 'needs')} }
 
   #js-tab-tests.tab-pane
-    #js-pipeline-tests-detail
+    #js-pipeline-tests-detail{ data: { full_report_endpoint: test_report_project_pipeline_path(@project, @pipeline, format: :json), count_endpoint: test_reports_count_project_pipeline_path(@project, @pipeline, format: :json) } }
   = render_if_exists "projects/pipelines/tabs_content", pipeline: @pipeline, project: @project

app/views/projects/pipelines/show.html.haml

@@ -20,6 +20,4 @@
   - else
     = render "projects/pipelines/with_tabs", pipeline: @pipeline
 
-.js-pipeline-details-vue{ data: { endpoint: project_pipeline_path(@project, @pipeline, format: :json),
-  test_report_endpoint: test_report_project_pipeline_path(@project, @pipeline, format: :json),
-  test_reports_count_endpoint: test_reports_count_project_pipeline_path(@project, @pipeline, format: :json) } }
+.js-pipeline-details-vue{ data: { endpoint: project_pipeline_path(@project, @pipeline, format: :json) } }