Clear add schedule form between creation

ee/app/assets/javascripts/oncall_schedules/components/add_edit_schedule_modal.vue

@@ -125,6 +125,7 @@ export default {
             }
             this.$refs.addUpdateScheduleModal.hide();
             this.$emit('scheduleCreated');
+            this.clearScheduleForm();
           },
         )
         .catch((error) => {
@@ -189,6 +190,11 @@ export default {
         this.validationState.timezone = !isEmpty(this.form.timezone);
       }
     },
+    clearScheduleForm() {
+      this.form.name = '';
+      this.form.description = '';
+      this.form.timezone = {};
+    },
   },
 };
 </script>

ee/spec/frontend/oncall_schedule/add_edit_schedule_modal_spec.js

 import { GlModal, GlAlert } from '@gitlab/ui';
 import { createLocalVue, shallowMount } from '@vue/test-utils';
 import VueApollo from 'vue-apollo';
+import AddEditScheduleForm from 'ee/oncall_schedules/components/add_edit_schedule_form.vue';
 import AddEditScheduleModal, {
   i18n,
 } from 'ee/oncall_schedules/components/add_edit_schedule_modal.vue';
@@ -115,6 +116,7 @@ describe('AddScheduleModal', () => {
 
   const findModal = () => wrapper.findComponent(GlModal);
   const findAlert = () => wrapper.findComponent(GlAlert);
+  const findModalForm = () => wrapper.findComponent(AddEditScheduleForm);
 
   describe('Schedule create', () => {
     beforeEach(() => {
@@ -164,6 +166,16 @@ describe('AddScheduleModal', () => {
       expect(alert.exists()).toBe(true);
       expect(alert.text()).toContain(error);
     });
+
+    it('should clear the schedule form on a successful creation', () => {
+      mutate.mockResolvedValueOnce({});
+      findModal().vm.$emit('primary', { preventDefault: jest.fn() });
+      expect(findModalForm().props('form')).toMatchObject({
+        name: '',
+        description: '',
+        timezone: {},
+      });
+    });
   });
 
   describe('Schedule update', () => {