DEV: Take 2 Queue jobs in tests by default.

On my machine this cuts the time taken to run our test suite
from ~11mins to ~9mins.

plugins/discourse-narrative-bot/spec/discourse_narrative_bot/advanced_user_narrative_spec.rb

@@ -22,6 +22,7 @@ RSpec.describe DiscourseNarrativeBot::AdvancedUserNarrative do
   let(:reset_trigger) { DiscourseNarrativeBot::TrackSelector.reset_trigger }
 
   before do
+    SiteSetting.queue_jobs = false
     SiteSetting.discourse_narrative_bot_enabled = true
   end
 

plugins/discourse-narrative-bot/spec/discourse_narrative_bot/new_user_narrative_spec.rb

@@ -24,6 +24,7 @@ describe DiscourseNarrativeBot::NewUserNarrative do
   let(:reset_trigger) { DiscourseNarrativeBot::TrackSelector.reset_trigger }
 
   before do
+    SiteSetting.queue_jobs = false
     SiteSetting.discourse_narrative_bot_enabled = true
   end
 

plugins/discourse-narrative-bot/spec/discourse_narrative_bot/track_selector_spec.rb

@@ -36,6 +36,10 @@ describe DiscourseNarrativeBot::TrackSelector do
     end_message.chomp
   end
 
+  before do
+    SiteSetting.queue_jobs = false
+  end
+
   describe '#select' do
     context 'in a PM with discobot' do
       let(:first_post) { Fabricate(:post, user: discobot_user) }

plugins/discourse-narrative-bot/spec/integration/discobot_welcome_post_spec.rb

@@ -4,7 +4,6 @@ describe "Discobot welcome post" do
   let(:user) { Fabricate(:user) }
 
   before do
-    SiteSetting.queue_jobs = true
     SiteSetting.discourse_narrative_bot_enabled = true
   end
 

plugins/discourse-narrative-bot/spec/user_spec.rb

@@ -5,6 +5,7 @@ describe User do
   let(:profile_page_url) { "#{Discourse.base_url}/users/#{user.username}" }
 
   before do
+    SiteSetting.queue_jobs = false
     SiteSetting.discourse_narrative_bot_enabled = true
   end
 
@@ -78,7 +79,6 @@ describe User do
         describe 'when welcome message is configured to be delayed' do
           before do
             SiteSetting.discourse_narrative_bot_welcome_post_delay = 100
-            SiteSetting.queue_jobs = true
           end
 
           it 'should delay the welcome post until user logs in' do