require rspec-sidekiq only in specs

Gemfile

@@ -91,7 +91,7 @@ group :development, :test do
   gem 'puma'
   gem 'rspec-rails', '~> 3.9'
   gem 'rspec-its', '~> 1.3'
-  gem "rspec-sidekiq", "~> 3.0"
+  gem "rspec-sidekiq", "~> 3.0", require: false
   gem 'factory_bot_rails', require: false
   gem 'faker'
   gem 'capybara'

spec/rails_helper.rb

@@ -12,6 +12,7 @@ require "rspec/its"
 require "devise"
 require "capybara/rails"
 require "capybara/rspec"
+require "rspec-sidekiq"
 
 # Requires supporting ruby files with custom matchers and macros, etc, in
 # spec/support/ and its subdirectories. Files matching `spec/**/*_spec.rb` are