DEV: Fixup bulk assigment specs (#582)

Followup e577671

spec/system/bulk_assign_spec.rb

@@ -16,8 +16,7 @@
   end
 
   describe "from topic list" do
-    # TODO (martin) Unskip when core PR is merged to make new bulk select method the default
-    xit "can assign and unassign topics" do
+    it "can assign and unassign topics" do
       ## Assign
       visit "/latest"
       topic = topics.first

spec/system/group_assigned_spec.rb

@@ -8,6 +8,8 @@
 
   let(:topic_list) { PageObjects::Components::TopicList.new }
   let(:topic_list_header) { PageObjects::Components::TopicListHeader.new }
+  let(:topic_bulk_modal) { PageObjects::Modals::TopicBulkActions.new }
+  let(:assign_modal) { PageObjects::Modals::Assign.new }
 
   before do
     group.add(admin)
@@ -17,14 +19,35 @@
     sign_in(admin)
   end
 
-  # TODO (martin) Unskip when core PR is merged to make new bulk select method the default
-  xit "allows to bulk select assigned topics" do
+  it "allows to bulk select assigned topics" do
     visit "/g/#{group.name}/assigned/everyone"
 
     topic_list_header.click_bulk_select_button
     topic_list.click_topic_checkbox(topic)
-    find(".bulk-select-actions").click
 
+    # Click Assign Button
+    topic_list_header.click_bulk_select_topics_dropdown
+    expect(topic_list_header).to have_assign_topics_button
+    topic_list_header.click_assign_topics_button
     expect(topic_list_header).to have_bulk_select_modal
+
+    # Assign User
+    assignee = admin.username
+    select_kit = PageObjects::Components::SelectKit.new("#assignee-chooser")
+
+    # This initial collapse is needed because for some reason the modal is
+    # opening with `is-expanded` property, but it isn't actually expanded.
+    select_kit.collapse
+
+    select_kit.expand_if_needed
+    select_kit.search(assignee)
+    select_kit.select_row_by_value(assignee)
+    select_kit.collapse
+
+    # Click Confirm
+    topic_list_header.click_bulk_topics_confirm
+
+    expect(topic_bulk_modal).to be_closed
+    expect(Assignment.find_by(topic: topic).assigned_to).to eq(admin)
   end
 end