Rename incident_timeline_event_tab FF to incident_timeline

Rename the feature flag to cover whole feature

app/assets/javascripts/issues/show/components/incidents/incident_tabs.vue

@@ -52,7 +52,7 @@ export default {
       return this.$apollo.queries.alert.loading;
     },
     incidentTabEnabled() {
-      return this.glFeatures.incidentTimelineEvents && this.glFeatures.incidentTimelineEventTab;
+      return this.glFeatures.incidentTimelineEvents && this.glFeatures.incidentTimeline;
     },
   },
   mounted() {

app/controllers/projects/incidents_controller.rb

@@ -8,7 +8,7 @@ class Projects::IncidentsController < Projects::ApplicationController
   before_action :load_incident, only: [:show]
   before_action do
     push_frontend_feature_flag(:incident_escalations, @project)
-    push_frontend_feature_flag(:incident_timeline_event_tab, @project, default_enabled: :yaml)
+    push_frontend_feature_flag(:incident_timeline, @project, default_enabled: :yaml)
     push_licensed_feature(:incident_timeline_events) if @project.licensed_feature_available?(:incident_timeline_events)
   end
 

config/feature_flags/development/incident_timeline_event_tab.yml → config/feature_flags/development/incident_timeline.yml

 ---
-name: incident_timeline_event_tab
+name: incident_timeline
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/80802
 rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/353426
 milestone: '14.9'

ee/spec/frontend/issues/show/components/incidents/incident_tabs_spec.js

@@ -29,7 +29,7 @@ describe('Incident Tabs component', () => {
             fullPath: '',
             iid: '',
             uploadMetricsFeatureAvailable: true,
-            glFeatures: { incidentTimelineEventTab: true, incidentTimelineEvents: true },
+            glFeatures: { incidentTimeline: true, incidentTimelineEvents: true },
           },
           data() {
             return { alert: mockAlert, ...data };
@@ -62,7 +62,7 @@ describe('Incident Tabs component', () => {
     });
 
     it('does not render timeline tab when feature flag is disabled', () => {
-      mountComponent({}, { provide: { glFeatures: { incidentTimelineEventTab: false } } });
+      mountComponent({}, { provide: { glFeatures: { incidentTimeline: false } } });
 
       expect(findTimelineTab().exists()).toBe(false);
     });

spec/frontend/issues/show/components/incidents/incident_tabs_spec.js

@@ -35,7 +35,7 @@ describe('Incident Tabs component', () => {
             fullPath: '',
             iid: '',
             uploadMetricsFeatureAvailable: true,
-            glFeatures: { incidentTimelineEventTab: true, incidentTimelineEvents: true },
+            glFeatures: { incidentTimeline: true, incidentTimelineEvents: true },
           },
           data() {
             return { alert: mockAlert, ...data };