Fix up propsData refs to triggered_by.

spec/javascripts/pipelines/graph/graph_component_spec.js

@@ -7,7 +7,7 @@ const GraphComponent = Vue.extend(graphComponent);
 
 const pipelineJSON = Object.assign(graphJSON, {
   triggered: linkedPipelineJSON.triggered,
-  triggeredBy: linkedPipelineJSON.triggered_by,
+  triggered_by: linkedPipelineJSON.triggered_by,
 });
 
 const defaultPropsData = {
@@ -97,7 +97,7 @@ describe('graph component', function () {
 
   describe('when linked pipelines are not present', function () {
     beforeEach(function () {
-      const pipeline = Object.assign(graphJSON, { triggered: [], triggeredBy: [] });
+      const pipeline = Object.assign(graphJSON, { triggered: [], triggered_by: [] });
       this.component = new GraphComponent({
         propsData: { pipeline, isLoading: false },
       }).$mount();

spec/javascripts/vue_shared/components/linked_pipelines_mini_list_spec.js

@@ -9,7 +9,7 @@ describe('Linked pipeline mini list', () => {
     beforeEach(() => {
       this.component = new ListComponent({
         propsData: {
-          triggeredBy: mockData.triggered_by,
+          triggered_by: mockData.triggered_by,
         },
       }).$mount();
     });