Fix the build.

app/jobs/base.rb

@@ -126,7 +126,7 @@ module Jobs
         begin
           exception = {}
 
-          RailsMultisite::ConnectionManagement.with_connection(db: db) do
+          RailsMultisite::ConnectionManagement.with_connection(db) do
             begin
               I18n.locale = SiteSetting.default_locale || "en"
               I18n.ensure_all_loaded!

lib/scheduler/defer.rb

@@ -65,7 +65,7 @@ module Scheduler
       db, job, desc = @queue.deq(non_block)
       db ||= RailsMultisite::ConnectionManagement::DEFAULT
 
-      RailsMultisite::ConnectionManagement.with_connection(db: db) do
+      RailsMultisite::ConnectionManagement.with_connection(db) do
         begin
           job.call
         rescue => ex

lib/scheduler/manager.rb

@@ -77,7 +77,7 @@ module Scheduler
           @mutex.synchronize { info.write! }
 
           if @manager.enable_stats
-            RailsMultisite::ConnectionManagement.with_connection(db: "default") do
+            RailsMultisite::ConnectionManagement.with_connection("default") do
               stat = SchedulerStat.create!(
                 name: klass.to_s,
                 hostname: hostname,
@@ -102,7 +102,7 @@ module Scheduler
         info.prev_result = failed ? "FAILED" : "OK"
         info.current_owner = nil
         if stat
-          RailsMultisite::ConnectionManagement.with_connection(db: "default") do
+          RailsMultisite::ConnectionManagement.with_connection("default") do
             stat.update!(
               duration_ms: duration,
               live_slots_finish: GC.stat[:heap_live_slots],

spec/multisite/jobs.rb

@@ -1,6 +1,24 @@
 require 'rails_helper'
 
 RSpec.describe "Running Sidekiq Jobs in Multisite" do
+  let(:conn) { RailsMultisite::ConnectionManagement }
+
+  before do
+    conn.config_filename = "spec/fixtures/multisite/two_dbs.yml"
+    conn.load_settings!
+    conn.remove_class_variable(:@@current_db)
+  end
+
+  after do
+    conn.clear_settings!
+
+    [:@@db_spec_cache, :@@host_spec_cache, :@@default_spec].each do |class_variable|
+      conn.remove_class_variable(class_variable)
+    end
+
+    conn.set_current_db
+  end
+
   it 'should revert back to the default connection' do
     expect(RailsMultisite::ConnectionManagement.current_db)
       .to eq('default')