Update value in rotation time controls

ee/app/assets/javascripts/oncall_schedules/components/rotations/components/add_edit_rotation_form.vue

@@ -219,7 +219,7 @@ export default {
             class="gl-px-3"
           >
             <gl-dropdown-item
-              v-for="time in $options.HOURS_IN_DAY"
+              v-for="(_, time) in $options.HOURS_IN_DAY"
               :key="time"
               :is-checked="form.startsAt.time === time"
               is-check-item
@@ -278,7 +278,7 @@ export default {
               class="gl-px-3"
             >
               <gl-dropdown-item
-                v-for="time in $options.HOURS_IN_DAY"
+                v-for="(_, time) in $options.HOURS_IN_DAY"
                 :key="time"
                 :is-checked="form.endsAt.time === time"
                 is-check-item

ee/spec/frontend/oncall_schedule/rotations/components/add_edit_rotation_form_spec.js

@@ -112,11 +112,12 @@ describe('AddEditRotationForm', () => {
     });
 
     it('should emit an event with selected value on time selection', async () => {
-      findStartsOnTimeOptions().at(3).vm.$emit('click');
+      const option = 3;
+      findStartsOnTimeOptions().at(option).vm.$emit('click');
       await wrapper.vm.$nextTick();
       const emittedEvent = wrapper.emitted('update-rotation-form');
       expect(emittedEvent).toHaveLength(1);
-      expect(emittedEvent[0][0]).toEqual({ type: 'startsAt.time', value: 4 });
+      expect(emittedEvent[0][0]).toEqual({ type: 'startsAt.time', value: option });
     });
 
     it('should add a checkmark to a selected start time', async () => {
@@ -133,11 +134,7 @@ describe('AddEditRotationForm', () => {
         },
       });
       await wrapper.vm.$nextTick();
-      expect(
-        findStartsOnTimeOptions()
-          .at(time - 1)
-          .props('isChecked'),
-      ).toBe(true);
+      expect(findStartsOnTimeOptions().at(time).props('isChecked')).toBe(true);
     });
   });
 
@@ -160,7 +157,7 @@ describe('AddEditRotationForm', () => {
       await wrapper.vm.$nextTick();
       const emittedEvent = wrapper.emitted('update-rotation-form');
       expect(emittedEvent).toHaveLength(1);
-      expect(emittedEvent[0][0]).toEqual({ type: 'endsAt.time', value: option + 1 });
+      expect(emittedEvent[0][0]).toEqual({ type: 'endsAt.time', value: option });
     });
 
     it('should add a checkmark to a selected end time', async () => {
@@ -181,11 +178,7 @@ describe('AddEditRotationForm', () => {
         },
       });
       await wrapper.vm.$nextTick();
-      expect(
-        findEndsOnTimeOptions()
-          .at(time - 1)
-          .props('isChecked'),
-      ).toBe(true);
+      expect(findEndsOnTimeOptions().at(time).props('isChecked')).toBe(true);
     });
   });