MessageBus handles readonly redis now, no need to wrap it

spec/components/discourse_spec.rb

@@ -89,7 +89,7 @@ describe Discourse do
 
     it "adds a key in redis and publish a message through the message bus" do
       $redis.expects(:set).with(Discourse.readonly_mode_key, 1)
-      DiscourseBus.expects(:publish).with(Discourse.readonly_channel, true)
+      MessageBus.expects(:publish).with(Discourse.readonly_channel, true)
       Discourse.enable_readonly_mode
     end
 
@@ -99,7 +99,7 @@ describe Discourse do
 
     it "removes a key from redis and publish a message through the message bus" do
       $redis.expects(:del).with(Discourse.readonly_mode_key)
-      DiscourseBus.expects(:publish).with(Discourse.readonly_channel, false)
+      MessageBus.expects(:publish).with(Discourse.readonly_channel, false)
       Discourse.disable_readonly_mode
     end
 

spec/components/post_creator_spec.rb

@@ -72,7 +72,7 @@ describe PostCreator do
 
       it "does not notify on system messages" do
         admin = Fabricate(:admin)
-        messages = DiscourseBus.track_publish do
+        messages = MessageBus.track_publish do
           p = PostCreator.create(admin, basic_topic_params.merge(post_type: Post.types[:moderator_action]))
           PostCreator.create(admin, basic_topic_params.merge(topic_id: p.topic_id, post_type: Post.types[:moderator_action]))
         end
@@ -93,7 +93,7 @@ describe PostCreator do
         created_post = nil
         reply = nil
 
-        messages = DiscourseBus.track_publish do
+        messages = MessageBus.track_publish do
           created_post = PostCreator.new(admin, basic_topic_params.merge(category: cat.id)).create
           reply = PostCreator.new(admin, raw: "this is my test reply 123 testing", topic_id: created_post.topic_id).create
         end
@@ -118,7 +118,7 @@ describe PostCreator do
       it 'generates the correct messages for a normal topic' do
 
         p = nil
-        messages = DiscourseBus.track_publish do
+        messages = MessageBus.track_publish do
           p = creator.create
         end
 

spec/models/topic_spec.rb

@@ -573,7 +573,7 @@ describe Topic do
     describe "make_banner!" do
 
       it "changes the topic archetype to 'banner'" do
-        messages = DiscourseBus.track_publish do
+        messages = MessageBus.track_publish do
           topic.make_banner!(user)
           expect(topic.archetype).to eq(Archetype.banner)
         end
@@ -597,7 +597,7 @@ describe Topic do
 
       it "resets the topic archetype" do
         topic.expects(:add_moderator_post)
-        DiscourseBus.expects(:publish).with("/site/banner", nil)
+        MessageBus.expects(:publish).with("/site/banner", nil)
         topic.remove_banner!(user)
         expect(topic.archetype).to eq(Archetype.default)
       end