Add ability to destroy room_activities

app/models/room_activity.rb

@@ -9,7 +9,7 @@ class RoomActivity < ApplicationRecord
   ].freeze
 
   belongs_to :room
-  has_many :activities
+  has_many :activities, dependent: :destroy
 
   validates :name, presence: true
 

app/views/room_activities/_edit_form.html.slim

@@ -1,8 +1,7 @@
-.form.row
+.edit_activities.form.row
   - @room_activities.each do |activity|
-    .checkbox.col-sm-6
+    .checkbox.col-sm-6 class="room_activity_#{activity.id}_field"
       label for="#{dom_id(activity)}"
         = check_box_tag 'activity_ids[]', activity.id, activity.enabled?, id: dom_id(activity), class: "js-update-room-activity", data: { id: activity.id }
         = activity.name
-      / - unless activity.creator.nil?
-      / = link_to '×'.html_safe, room_activity_path(id: activity.id), method: :delete
+        = link_to '×', room_activity_path(id: activity.id), method: :delete

spec/features/rooms_spec.rb

@@ -34,8 +34,8 @@
     let(:room) { create :room, :with_activities }
     let(:user) { room.users.first }
     let(:new_room_name) { 'New room name' }
-    let(:room_activity_name) { room.room_activities.first.name }
-    let(:new_room_activity_name) { room.room_activities.first.name }
+    # let(:room_activity_name) { room.room_activities.first.name }
+    let(:destroyed_room_activity) { room.room_activities.last }
 
     background do
       sign_in user
@@ -58,6 +58,16 @@
     #   uncheck room_activity_name
     #   expect(room.room_activities.find_by(name: room_activity_name).enabled?).to eq false
     # end
+
+    scenario 'User destroys room activity' do
+      within ".room_activity_#{destroyed_room_activity.id}_field" do
+        click_on '×'
+      end
+
+      within '.edit_activities' do
+        expect(page).not_to have_content destroyed_room_activity.name
+      end
+    end
   end
 
   context 'leaving' do