1 files changed, 28 insertions, 2 deletions
diff --git a/spec/features/work_items/work_item_children_spec.rb b/spec/features/work_items/work_item_children_spec.rb
index 95774680a2b..10a1bf7541e 100644
--- a/spec/features/work_items/work_item_children_spec.rb
+++ b/spec/features/work_items/work_item_children_spec.rb
@@ -15,7 +15,6 @@ RSpec.describe 'Work item children', :js do
       sign_in(user)
 
       stub_feature_flags(work_items: true)
-      stub_feature_flags(work_items_hierarchy: true)
 
       visit project_issue_path(project, issue)
 
@@ -49,6 +48,7 @@ RSpec.describe 'Work item children', :js do
         expect(page).not_to have_selector('[data-testid="add-links-form"]')
 
         click_button 'Add'
+        click_button 'New task'
 
         expect(page).to have_selector('[data-testid="add-links-form"]')
 
@@ -58,9 +58,10 @@ RSpec.describe 'Work item children', :js do
       end
     end
 
-    it 'addss a child task', :aggregate_failures do
+    it 'adds a new child task', :aggregate_failures do
       page.within('[data-testid="work-item-links"]') do
         click_button 'Add'
+        click_button 'New task'
 
         expect(page).to have_button('Create task', disabled: true)
         fill_in 'Add a title', with: 'Task 1'
@@ -78,6 +79,7 @@ RSpec.describe 'Work item children', :js do
     it 'removes a child task and undoing', :aggregate_failures do
       page.within('[data-testid="work-item-links"]') do
         click_button 'Add'
+        click_button 'New task'
         fill_in 'Add a title', with: 'Task 1'
         click_button 'Create task'
         wait_for_all_requests
@@ -106,5 +108,29 @@ RSpec.describe 'Work item children', :js do
         expect(find('[data-testid="children-count"]')).to have_content('1')
       end
     end
+
+    context 'with existing task' do
+      let_it_be(:task) { create(:work_item, :task, project: project) }
+
+      it 'adds an existing child task', :aggregate_failures do
+        page.within('[data-testid="work-item-links"]') do
+          click_button 'Add'
+          click_button 'Existing task'
+
+          expect(page).to have_button('Add task', disabled: true)
+          find('[data-testid="work-item-token-select-input"]').set(task.title)
+          wait_for_all_requests
+          click_button task.title
+
+          expect(page).to have_button('Add task', disabled: false)
+
+          click_button 'Add task'
+
+          wait_for_all_requests
+
+          expect(find('[data-testid="links-child"]')).to have_content(task.title)
+        end
+      end
+    end
   end
 end