Fix wrong calls to `.$emit`

Fix tests which emit wrong events

spec/frontend/alert_management/components/sidebar/alert_managment_sidebar_assignees_spec.js

@@ -125,7 +125,7 @@ describe('Alert Details Sidebar Assignees', () => {
       });
     });
 
-    it('shows an error when request contains error messages', () => {
+    it('emits an error when request contains error messages', () => {
       wrapper.setData({ isDropdownSearching: false });
       const errorMutationResult = {
         data: {
@@ -137,12 +137,15 @@ describe('Alert Details Sidebar Assignees', () => {
       };
 
       jest.spyOn(wrapper.vm.$apollo, 'mutate').mockResolvedValue(errorMutationResult);
-
-      return wrapper.vm.$nextTick().then(() => {
-        const SideBarAssigneeItem = wrapper.findAll(SidebarAssignee).at(0);
-        SideBarAssigneeItem.vm.$emit('click');
-        expect(wrapper.emitted('alert-refresh')).toBeUndefined();
-      });
+      return wrapper.vm
+        .$nextTick()
+        .then(() => {
+          const SideBarAssigneeItem = wrapper.findAll(SidebarAssignee).at(0);
+          SideBarAssigneeItem.vm.$emit('update-alert-assignees');
+        })
+        .then(() => {
+          expect(wrapper.emitted('alert-error')).toBeDefined();
+        });
     });
 
     it('stops updating and cancels loading when the request fails', () => {

spec/frontend/boards/components/board_list_header_spec.js

@@ -106,7 +106,7 @@ describe('Board List Header Component', () => {
       createComponent();
 
       expect(isCollapsed()).toBe(false);
-      wrapper.find('[data-testid="board-list-header"]').vm.$emit('click');
+      wrapper.find('[data-testid="board-list-header"]').trigger('click');
 
       return wrapper.vm.$nextTick().then(() => {
         expect(isCollapsed()).toBe(false);

spec/frontend/design_management/components/design_notes/design_discussion_spec.js

@@ -93,7 +93,7 @@ describe('Design discussions component', () => {
     });
 
     it('does not render a checkbox in reply form', () => {
-      findReplyPlaceholder().vm.$emit('onMouseDown');
+      findReplyPlaceholder().vm.$emit('onClick');
 
       return wrapper.vm.$nextTick().then(() => {
         expect(findResolveCheckbox().exists()).toBe(false);

spec/frontend/design_management_legacy/components/design_notes/design_discussion_spec.js

@@ -89,7 +89,7 @@ describe('Design discussions component', () => {
     });
 
     it('does not render a checkbox in reply form', () => {
-      findReplyPlaceholder().vm.$emit('onMouseDown');
+      findReplyPlaceholder().vm.$emit('onClick');
 
       return wrapper.vm.$nextTick().then(() => {
         expect(findResolveCheckbox().exists()).toBe(false);