Fix failing rspecs (#5519)

app/controllers/health_checks_controller.rb

@@ -39,7 +39,7 @@ class HealthChecksController < ApplicationController
 
   def check_database
     raise 'Unable to connect to Database' unless ActiveRecord::Base.connection.active?
-    raise 'Unable to connect to Database - pending migrations' unless ActiveRecord::Migration.check_pending!.nil?
+    raise 'Unable to connect to Database - pending migrations' unless ActiveRecord::Migration.check_all_pending!.nil?
   rescue StandardError => e
     raise "Unable to connect to Database - #{e}"
   end

spec/models/site_setting_spec.rb

@@ -48,7 +48,7 @@ RSpec.describe SiteSetting, type: :model do
       it 'fails if the attachement is too large' do
         site_setting = build(:site_setting, image: fixture_file_upload(file_fixture('large-avatar.jpg'), 'image/jpeg'))
         expect(site_setting).to be_invalid
-        expect(site_setting.errors).to be_of_kind(:image, :file_size_out_of_range)
+        expect(site_setting.errors).to be_of_kind(:image, :file_size_not_less_than)
       end
     end
   end