Remove `vue_issue_header` feature flag

Remove the `vue_issue_header` feature flag now that it has been
defaulted to on with no major errors. This commit also removes
unused Haml templates now that we've converted from Haml to Vue.

.haml-lint_todo.yml

@@ -286,7 +286,6 @@ linters:
       - 'app/views/shared/hook_logs/_content.html.haml'
       - 'app/views/shared/issuable/_assignees.html.haml'
       - 'app/views/shared/issuable/_board_create_list_dropdown.html.haml'
-      - 'app/views/shared/issuable/_close_reopen_report_toggle.html.haml'
       - 'app/views/shared/issuable/_form.html.haml'
       - 'app/views/shared/issuable/_search_bar.html.haml'
       - 'app/views/shared/issuable/_sidebar.html.haml'

app/controllers/projects/issues_controller.rb

@@ -44,7 +44,6 @@ class Projects::IssuesController < Projects::ApplicationController
     push_frontend_feature_flag(:vue_issuable_sidebar, project.group)
     push_frontend_feature_flag(:tribute_autocomplete, @project)
     push_frontend_feature_flag(:vue_issuables_list, project)
-    push_frontend_feature_flag(:vue_issue_header, @project, default_enabled: true)
   end
 
   before_action only: :show do

app/views/projects/merge_requests/_mr_title.html.haml

@@ -2,6 +2,7 @@
 - can_update_merge_request = can?(current_user, :update_merge_request, @merge_request)
 - can_reopen_merge_request = can?(current_user, :reopen_merge_request, @merge_request)
 - state_human_name, state_icon_name = state_name_with_icon(@merge_request)
+- are_close_and_open_buttons_hidden = issuable_button_hidden?(@merge_request, true) && issuable_button_hidden?(@merge_request, false)
 
 - if @merge_request.closed_without_fork?
   .gl-alert.gl-alert-danger.gl-mb-5
@@ -46,4 +47,7 @@
       - if can_update_merge_request
         = link_to 'Edit', edit_project_merge_request_path(@project, @merge_request), class: "d-none d-md-block btn gl-button btn-grouped js-issuable-edit qa-edit-button"
 
-      = render 'shared/issuable/close_reopen_button', issuable: @merge_request, can_update: can_update_merge_request, can_reopen: can_reopen_merge_request
+      - if can_update_merge_request && !are_close_and_open_buttons_hidden
+        = render 'shared/issuable/close_reopen_draft_report_toggle', issuable: @merge_request
+      - elsif !@merge_request.merged?
+        = link_to _('Report abuse'), new_abuse_report_path(user_id: @merge_request.author.id, ref_url: issuable_url(@merge_request)), class: 'd-none d-md-block btn btn-grouped btn-close-color', title: _('Report abuse')

app/views/shared/issuable/_close_reopen_button.html.haml

-- is_current_user = issuable_author_is_current_user(issuable)
-- display_issuable_type = issuable_display_type(issuable)
-- are_close_and_open_buttons_hidden = issuable_button_hidden?(issuable, true) && issuable_button_hidden?(issuable, false)
-- add_blocked_class = false
-- if defined? warn_before_close
-  - add_blocked_class = warn_before_close
-
-- if is_current_user && !issuable.is_a?(MergeRequest)
-  - if can_update
-    %button{ class: "d-none d-md-block btn btn-grouped btn-close js-btn-issue-action #{issuable_button_visibility(issuable, true)} #{(add_blocked_class ? 'btn-issue-blocked' : '')}",
-             data: { remote: 'true', endpoint: close_issuable_path(issuable), qa_selector: 'close_issue_button' } }
-      = _("Close %{display_issuable_type}") % { display_issuable_type: display_issuable_type }
-  - if can_reopen
-    %button{ class: "d-none d-md-block btn btn-grouped btn-reopen js-btn-issue-action #{issuable_button_visibility(issuable, false)}",
-             data: { remote: 'true', endpoint: reopen_issuable_path(issuable), qa_selector: 'reopen_issue_button' } }
-      = _("Reopen %{display_issuable_type}") % { display_issuable_type: display_issuable_type }
-- else
-  - if can_update && !are_close_and_open_buttons_hidden
-    - if issuable.is_a?(MergeRequest)
-      = render 'shared/issuable/close_reopen_draft_report_toggle', issuable: issuable
-    - else
-      = render 'shared/issuable/close_reopen_report_toggle', issuable: issuable, warn_before_close: add_blocked_class
-  - else
-    - unless issuable.is_a?(MergeRequest) && issuable.merged?
-      = link_to _('Report abuse'), new_abuse_report_path(user_id: issuable.author.id, ref_url: issuable_url(issuable)),
-                class: 'd-none d-md-block btn btn-grouped btn-close-color', title: _('Report abuse')

app/views/shared/issuable/_close_reopen_report_toggle.html.haml

-- display_issuable_type = issuable_display_type(issuable)
-- button_action = issuable.closed? ? 'reopen' : 'close'
-- display_button_action = button_action.capitalize
-- button_responsive_class = 'd-none d-md-block'
-- button_class = "#{button_responsive_class} btn btn-grouped js-issuable-close-button js-btn-issue-action issuable-close-button"
-- toggle_class = "#{button_responsive_class} btn btn-nr dropdown-toggle js-issuable-close-toggle"
-- add_blocked_class = false
-- if defined? warn_before_close
-  - add_blocked_class = !issuable.closed? && warn_before_close
-
-.float-left.btn-group.gl-ml-3.issuable-close-dropdown.droplab-dropdown.js-issuable-close-dropdown
-  %button{ class: "#{button_class} btn-#{button_action} #{(add_blocked_class ? 'btn-issue-blocked' : '')}", data: { testid: 'close-issue-button', qa_selector: 'close_issue_button', endpoint: close_reopen_issuable_path(issuable) } }
-    #{display_button_action} #{display_issuable_type}
-
-  = button_tag type: 'button', class: "#{toggle_class} btn-#{button_action}-color",
-               data: { 'dropdown-trigger' => '#issuable-close-menu' }, 'aria-label' => _('Toggle dropdown') do
-    = icon('caret-down', class: 'toggle-icon icon')
-
-  %ul#issuable-close-menu.js-issuable-close-menu.dropdown-menu{ data: { dropdown: true } }
-    %li.close-item{ class: "#{issuable_button_visibility(issuable, true) || 'droplab-item-selected'}",
-                    data: { text: _("Close %{display_issuable_type}") % { display_issuable_type: display_issuable_type }, url: close_issuable_path(issuable),
-                    button_class: "#{button_class} btn-close", toggle_class: "#{toggle_class} btn-close-color" } }
-      %button.btn.btn-transparent
-        = sprite_icon('check', css_class: 'icon')
-        .description
-          %strong.title
-            = _('Close')
-            = display_issuable_type
-
-    %li.reopen-item{ class: "#{issuable_button_visibility(issuable, false) || 'droplab-item-selected'}",
-                     data: { text: _("Reopen %{display_issuable_type}") % { display_issuable_type: display_issuable_type }, url: reopen_issuable_path(issuable),
-                     button_class: "#{button_class} btn-reopen", toggle_class: "#{toggle_class} btn-reopen-color" } }
-      %button.btn.btn-transparent
-        = sprite_icon('check', css_class: 'icon')
-        .description
-          %strong.title
-            = _('Reopen')
-            = display_issuable_type
-
-      %li.divider.droplab-item-ignore
-
-      %li.report-item{ data: { text: _('Report abuse'), button_class: "#{button_class} btn-close-color", toggle_class: "#{toggle_class} btn-close-color", method: '' } }
-        %a.report-abuse-link{ :href =>  new_abuse_report_path(user_id: issuable.author.id, ref_url: issuable_url(issuable)) }
-          .description
-            %strong.title= _('Report abuse')
-            %p.text
-              = _('Report %{display_issuable_type} that are abusive, inappropriate or spam.') % { display_issuable_type: display_issuable_type.pluralize }

app/views/shared/issue_type/_details_header.html.haml

-- can_update_issue = can?(current_user, :update_issue, issuable)
-- can_reopen_issue = can?(current_user, :reopen_issue, issuable)
-- can_report_spam = issuable.submittable_as_spam_by?(current_user)
-- can_create_issue = show_new_issue_link?(@project)
-- display_issuable_type = issuable_display_type(issuable)
-- new_issuable_params = ({ issuable_template: 'incident', issue: { issue_type: 'incident' } } if issuable.incident?)
-
 .detail-page-header
   .detail-page-header-body
     .issuable-status-box.status-box.status-box-issue-closed{ class: issue_status_visibility(issuable, status_box: :closed) }
@@ -18,38 +11,9 @@
 
     .issuable-meta
       #js-issuable-header-warnings
-      = issuable_meta(issuable, @project, display_issuable_type)
+      = issuable_meta(issuable, @project, issuable_display_type(issuable))
 
     %a.btn.gl-button.btn-default.float-right.gl-display-block.d-sm-none.gutter-toggle.issuable-gutter-toggle.js-sidebar-toggle{ href: "#" }
       = sprite_icon('chevron-double-lg-left')
 
-  - if Feature.enabled?(:vue_issue_header, @project, default_enabled: true)
-    .js-issue-header-actions{ data: issue_header_actions_data(@project, issuable, current_user) }
-  - else
-    .detail-page-header-actions.js-issuable-actions.js-issuable-buttons{ data: { "action": "close-reopen" } }
-      .clearfix.issue-btn-group.dropdown
-        %button.btn.gl-button.btn-default.float-left.gl-display-md-none{ type: "button", data: { toggle: "dropdown" } }
-          = _('Options')
-          = icon('caret-down')
-        .dropdown-menu.dropdown-menu-right
-          %ul
-            - unless current_user == issuable.author
-              %li= link_to _('Report abuse'), new_abuse_report_path(user_id: issuable.author.id, ref_url: issue_url(issuable))
-            - if can_update_issue
-              %li= link_to _('Close %{display_issuable_type}') % { display_issuable_type: display_issuable_type }, issue_path(issuable, issue: { state_event: :close }, format: 'json'), class: "btn-close js-btn-issue-action #{issue_button_visibility(issuable, true)}", title: _('Close %{display_issuable_type}') % { display_issuable_type: display_issuable_type }, data: { endpoint: close_reopen_issuable_path(issuable) }
-            - if can_reopen_issue
-              %li= link_to _('Reopen %{display_issuable_type}') % { display_issuable_type: display_issuable_type }, issue_path(issuable, issue: { state_event: :reopen }, format: 'json'), class: "btn-reopen js-btn-issue-action #{issue_button_visibility(issuable, false)}", title: _('Reopen %{display_issuable_type}') % { display_issuable_type: display_issuable_type }, data: { endpoint: close_reopen_issuable_path(issuable) }
-            - if can_report_spam
-              %li= link_to _('Submit as spam'), mark_as_spam_project_issue_path(@project, issuable), method: :post, class: 'btn-spam', title: 'Submit as spam'
-            - if can_create_issue
-              - if can_update_issue || can_report_spam
-                %li.divider
-              %li= link_to _('New %{display_issuable_type}') % { display_issuable_type: display_issuable_type }, new_project_issue_path(@project, new_issuable_params), id: 'new_%{display_issuable_type}_link' % { display_issuable_type: display_issuable_type }
-
-      = render 'shared/issuable/close_reopen_button', issuable: issuable, can_update: can_update_issue, can_reopen: can_reopen_issue, warn_before_close: defined?(issuable.blocked?) && issuable.blocked?
-
-      - if can_report_spam
-        = link_to _('Submit as spam'), mark_as_spam_project_issue_path(@project, issuable), method: :post, class: 'gl-display-none gl-display-md-block gl-button btn btn-grouped btn-spam', title: 'Submit as spam'
-      - if can_create_issue
-        = link_to new_project_issue_path(@project, new_issuable_params), class: 'gl-display-none gl-display-md-block gl-button btn btn-grouped btn-success btn-inverted', title: _('New %{display_issuable_type}') % { display_issuable_type: display_issuable_type }, id: 'new_%{display_issuable_type}_link' % { display_issuable_type: display_issuable_type } do
-          = _('New %{display_issuable_type}') % { display_issuable_type: display_issuable_type }
+  .js-issue-header-actions{ data: issue_header_actions_data(@project, issuable, current_user) }

config/feature_flags/development/vue_issue_header.yml

----
-name: vue_issue_header
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/44440
-rollout_issue_url:
-milestone: '13.6'
-type: development
-group: group::project management
-default_enabled: true

ee/spec/features/issues/issue_sidebar_spec.rb

@@ -14,8 +14,6 @@ RSpec.describe 'Issue Sidebar' do
   let_it_be(:issue_no_group) { create(:labeled_issue, project: project_without_group, labels: [label]) }
 
   before do
-    stub_feature_flags(vue_issue_header: false)
-
     sign_in(user)
   end
 
@@ -98,7 +96,9 @@ RSpec.describe 'Issue Sidebar' do
 
       context 'when user closes an issue' do
         it 'disables the edit button' do
-          page.find('[data-testid="close-issue-button"]').click
+          page.within('.detail-page-header') do
+            click_button 'Close issue'
+          end
 
           page.within('.health-status') do
             expect(page).to have_button('Edit', disabled: true)

ee/spec/frontend/fixtures/issues.rb

@@ -16,8 +16,6 @@ RSpec.describe Projects::IssuesController, '(JavaScript fixtures)', type: :contr
   end
 
   before do
-    stub_feature_flags(vue_issue_header: false)
-
     project.add_developer(user)
 
     sign_in(user)

locale/gitlab.pot

@@ -5640,9 +5640,6 @@ msgstr ""
 msgid "Close"
 msgstr ""
 
-msgid "Close %{display_issuable_type}"
-msgstr ""
-
 msgid "Close %{issueType}"
 msgstr ""
 
@@ -18203,9 +18200,6 @@ msgstr ""
 msgid "New"
 msgstr ""
 
-msgid "New %{display_issuable_type}"
-msgstr ""
-
 msgid "New %{issueType}"
 msgstr ""
 
@@ -22741,9 +22735,6 @@ msgstr ""
 msgid "Reopen"
 msgstr ""
 
-msgid "Reopen %{display_issuable_type}"
-msgstr ""
-
 msgid "Reopen %{issueType}"
 msgstr ""
 

qa/qa/page/project/issue/show.rb

@@ -14,7 +14,7 @@ module QA
             element :remove_related_issue_button
           end
 
-          view 'app/views/shared/issuable/_close_reopen_button.html.haml' do
+          view 'app/assets/javascripts/issue_show/components/header_actions.vue' do
             element :close_issue_button
             element :reopen_issue_button
           end

spec/features/incidents/user_views_incident_spec.rb

@@ -13,8 +13,6 @@ RSpec.describe "User views incident" do
   end
 
   before do
-    stub_feature_flags(vue_issue_header: false)
-
     sign_in(user)
 
     visit(project_issues_incident_path(project, incident))
@@ -24,10 +22,12 @@ RSpec.describe "User views incident" do
 
   it_behaves_like 'page meta description', ' Description header Lorem ipsum dolor sit amet'
 
-  it 'shows the merge request and incident actions', :aggregate_failures do
-    expect(page).to have_link('New incident')
+  it 'shows the merge request and incident actions', :js, :aggregate_failures do
+    click_button 'Incident actions'
+
+    expect(page).to have_link('New incident', href: new_project_issue_path(project, { issuable_template: 'incident', issue: { issue_type: 'incident' } }))
     expect(page).to have_button('Create merge request')
-    expect(page).to have_link('Close incident')
+    expect(page).to have_button('Close incident')
   end
 
   context 'when the project is archived' do

spec/features/issuables/close_reopen_report_toggle_spec.rb

@@ -7,10 +7,6 @@ RSpec.describe 'Issuables Close/Reopen/Report toggle' do
 
   let(:user) { create(:user) }
 
-  before do
-    stub_feature_flags(vue_issue_header: false)
-  end
-
   shared_examples 'an issuable close/reopen/report toggle' do
     let(:container) { find('.issuable-close-dropdown') }
     let(:human_model_name) { issuable.model_name.human.downcase }
@@ -49,61 +45,6 @@ RSpec.describe 'Issuables Close/Reopen/Report toggle' do
     end
   end
 
-  context 'on an issue' do
-    let(:project) { create(:project) }
-    let(:issuable) { create(:issue, project: project) }
-
-    before do
-      project.add_maintainer(user)
-      login_as user
-    end
-
-    context 'when user has permission to update', :js do
-      before do
-        visit project_issue_path(project, issuable)
-      end
-
-      it_behaves_like 'an issuable close/reopen/report toggle'
-
-      context 'when the issue is closed and locked' do
-        let(:issuable) { create(:issue, :closed, :locked, project: project) }
-
-        it 'hides the reopen button' do
-          expect(page).not_to have_button('Reopen issue')
-        end
-
-        context 'when the issue author is the current user' do
-          before do
-            issuable.update(author: user)
-          end
-
-          it 'hides the reopen button' do
-            expect(page).not_to have_button('Reopen issue')
-          end
-        end
-      end
-    end
-
-    context 'when user doesnt have permission to update' do
-      let(:cant_project) { create(:project) }
-      let(:cant_issuable) { create(:issue, project: cant_project) }
-
-      before do
-        cant_project.add_guest(user)
-
-        visit project_issue_path(cant_project, cant_issuable)
-      end
-
-      it 'only shows the `Report abuse` and `New issue` buttons' do
-        expect(page).to have_link('Report abuse')
-        expect(page).to have_link('New issue')
-        expect(page).not_to have_button('Close issue')
-        expect(page).not_to have_button('Reopen issue')
-        expect(page).not_to have_link(title: 'Edit title and description')
-      end
-    end
-  end
-
   context 'on a merge request' do
     let(:container) { find('.detail-page-header-actions') }
     let(:project) { create(:project, :repository) }

spec/features/issues/user_views_issue_spec.rb

@@ -13,8 +13,6 @@ RSpec.describe "User views issue" do
   end
 
   before do
-    stub_feature_flags(vue_issue_header: false)
-
     sign_in(user)
 
     visit(project_issue_path(project, issue))
@@ -24,10 +22,12 @@ RSpec.describe "User views issue" do
 
   it_behaves_like 'page meta description', ' Description header Lorem ipsum dolor sit amet'
 
-  it 'shows the merge request and issue actions', :aggregate_failures do
-    expect(page).to have_link('New issue')
+  it 'shows the merge request and issue actions', :js, :aggregate_failures do
+    click_button 'Issue actions'
+
+    expect(page).to have_link('New issue', href: new_project_issue_path(project))
     expect(page).to have_button('Create merge request')
-    expect(page).to have_link('Close issue')
+    expect(page).to have_button('Close issue')
   end
 
   context 'when the project is archived' do

spec/frontend/fixtures/issues.rb

@@ -16,8 +16,6 @@ RSpec.describe Projects::IssuesController, '(JavaScript fixtures)', type: :contr
   end
 
   before do
-    stub_feature_flags(vue_issue_header: false)
-
     sign_in(admin)
   end
 

spec/frontend/issue_spec.js

@@ -13,52 +13,16 @@ describe('Issue', () => {
     testContext = {};
   });
 
-  let $boxClosed, $boxOpen, $btn;
+  let $boxClosed, $boxOpen;
 
   preloadFixtures('issues/closed-issue.html');
   preloadFixtures('issues/issue-with-task-list.html');
   preloadFixtures('issues/open-issue.html');
   preloadFixtures('static/issue_with_mermaid_graph.html');
 
-  function expectErrorMessage() {
-    const $flashMessage = $('div.flash-alert');
-
-    expect($flashMessage).toExist();
-    expect($flashMessage).toBeVisible();
-    expect($flashMessage).toHaveText('Unable to update this issue at this time.');
-  }
-
   function expectIssueState(isIssueOpen) {
     expectVisibility($boxClosed, !isIssueOpen);
     expectVisibility($boxOpen, isIssueOpen);
-
-    expect($btn).toHaveText(isIssueOpen ? 'Close issue' : 'Reopen issue');
-  }
-
-  function expectNewBranchButtonState(isPending, canCreate) {
-    if (Issue.$btnNewBranch.length === 0) {
-      return;
-    }
-
-    const $available = Issue.$btnNewBranch.find('.available');
-
-    expect($available).toHaveText('New branch');
-
-    if (!isPending && canCreate) {
-      expect($available).toBeVisible();
-    } else {
-      expect($available).toBeHidden();
-    }
-
-    const $unavailable = Issue.$btnNewBranch.find('.unavailable');
-
-    expect($unavailable).toHaveText('New branch unavailable');
-
-    if (!isPending && !canCreate) {
-      expect($unavailable).toBeVisible();
-    } else {
-      expect($unavailable).toBeHidden();
-    }
   }
 
   function expectVisibility($element, shouldBeVisible) {
@@ -69,7 +33,7 @@ describe('Issue', () => {
     }
   }
 
-  function findElements(isIssueInitiallyOpen) {
+  function findElements() {
     $boxClosed = $('div.status-box-issue-closed');
 
     expect($boxClosed).toExist();
@@ -79,11 +43,6 @@ describe('Issue', () => {
 
     expect($boxOpen).toExist();
     expect($boxOpen).toHaveText('Open');
-
-    $btn = $('.js-issuable-close-button');
-
-    expect($btn).toExist();
-    expect($btn).toHaveText(isIssueInitiallyOpen ? 'Close issue' : 'Reopen issue');
   }
 
   [true, false].forEach(isIssueInitiallyOpen => {
@@ -99,25 +58,6 @@ describe('Issue', () => {
         testContext.$projectIssuesCounter.text('1,001');
       }
 
-      function mockCloseButtonResponseSuccess(url, response) {
-        mock.onPut(url).reply(() => {
-          expectNewBranchButtonState(true, false);
-
-          return [200, response];
-        });
-      }
-
-      function mockCloseButtonResponseError(url) {
-        mock.onPut(url).networkError();
-      }
-
-      function mockCanCreateBranch(canCreateBranch) {
-        mock.onGet(/(.*)\/can_create_branch$/).reply(200, {
-          can_create_branch: canCreateBranch,
-          suggested_branch_name: 'foo-99',
-        });
-      }
-
       beforeEach(() => {
         if (isIssueInitiallyOpen) {
           loadFixtures('issues/open-issue.html');
@@ -130,7 +70,6 @@ describe('Issue', () => {
         jest.spyOn(axios, 'get');
 
         findElements(isIssueInitiallyOpen);
-        testContext.$triggeredButton = $btn;
       });
 
       afterEach(() => {
@@ -138,94 +77,19 @@ describe('Issue', () => {
         $('div.flash-alert').remove();
       });
 
-      it(`${action}s the issue`, done => {
-        mockCloseButtonResponseSuccess(testContext.$triggeredButton.attr('href'), {
-          id: 34,
-        });
-        mockCanCreateBranch(!isIssueInitiallyOpen);
-
-        setup();
-        testContext.$triggeredButton.trigger('click');
-
-        setImmediate(() => {
-          expectIssueState(!isIssueInitiallyOpen);
-
-          expect(testContext.$triggeredButton.get(0).getAttribute('disabled')).toBeNull();
-          expect(testContext.$projectIssuesCounter.text()).toBe(
-            isIssueInitiallyOpen ? '1,000' : '1,002',
-          );
-          expectNewBranchButtonState(false, !isIssueInitiallyOpen);
-
-          done();
-        });
-      });
-
-      it(`fails to ${action} the issue if saved:false`, done => {
-        mockCloseButtonResponseSuccess(testContext.$triggeredButton.attr('href'), {
-          saved: false,
-        });
-        mockCanCreateBranch(isIssueInitiallyOpen);
-
-        setup();
-        testContext.$triggeredButton.trigger('click');
-
-        setImmediate(() => {
-          expectIssueState(isIssueInitiallyOpen);
-
-          expect(testContext.$triggeredButton.get(0).getAttribute('disabled')).toBeNull();
-          expectErrorMessage();
-
-          expect(testContext.$projectIssuesCounter.text()).toBe('1,001');
-          expectNewBranchButtonState(false, isIssueInitiallyOpen);
-
-          done();
-        });
-      });
-
-      it(`fails to ${action} the issue if HTTP error occurs`, done => {
-        mockCloseButtonResponseError(testContext.$triggeredButton.attr('href'));
-        mockCanCreateBranch(isIssueInitiallyOpen);
-
-        setup();
-        testContext.$triggeredButton.trigger('click');
-
-        setImmediate(() => {
-          expectIssueState(isIssueInitiallyOpen);
-
-          expect(testContext.$triggeredButton.get(0).getAttribute('disabled')).toBeNull();
-          expectErrorMessage();
-
-          expect(testContext.$projectIssuesCounter.text()).toBe('1,001');
-          expectNewBranchButtonState(false, isIssueInitiallyOpen);
-
-          done();
-        });
-      });
-
-      it('disables the new branch button if Ajax call fails', () => {
-        mockCloseButtonResponseError(testContext.$triggeredButton.attr('href'));
-        mock.onGet(/(.*)\/can_create_branch$/).networkError();
-
-        setup();
-        testContext.$triggeredButton.trigger('click');
-
-        expectNewBranchButtonState(false, false);
-      });
-
-      it('does not trigger Ajax call if new branch button is missing', done => {
-        mockCloseButtonResponseError(testContext.$triggeredButton.attr('href'));
-
-        document.querySelector('#related-branches').remove();
-        document.querySelector('.create-mr-dropdown-wrap').remove();
-
+      it(`${action}s the issue on dispatch of issuable_vue_app:change event`, () => {
         setup();
-        testContext.$triggeredButton.trigger('click');
 
-        setImmediate(() => {
-          expect(axios.get).not.toHaveBeenCalled();
+        document.dispatchEvent(
+          new CustomEvent('issuable_vue_app:change', {
+            detail: {
+              data: { id: 1 },
+              isClosed: isIssueInitiallyOpen,
+            },
+          }),
+        );
 
-          done();
-        });
+        expectIssueState(!isIssueInitiallyOpen);
       });
     });
   });