Fix tests - add missing files

Gemfile

@@ -47,6 +47,7 @@ gem "tzinfo-data", platforms: %i[ windows jruby ]
 # Use the database-backed adapters for Rails.cache and Action Cable
 gem "solid_cache"
 gem "solid_cable"
+gem "solid_queue", "~> 1.2"
 
 # Reduces boot times through caching; required in config/boot.rb
 gem "bootsnap", require: false
@@ -87,3 +88,4 @@ group :test do
   gem "capybara"
   gem "selenium-webdriver"
 end
+