Expect Job being enqueued with args

my_controller_spec.rb

RSpec.describe MyController, type: :controller do
  include ActiveJob::TestHelper
  
  describe "..." do
    it "enqueues the job with the right arguments" do
      expect {
        @bookmark = post :create, {:bookmark => valid_attributes}
      }.to have_enqueued_job(SlackNotifierJob).with { |args|
        expect(args).to eq(["new_bookmark", @bookmark])
      }
    end
  end
end

test.rb

## Add in config/environments/test.rb

# Enable: ActiveJob::Base.queue_adapter.enqueued_jobs
config.active_job.queue_adapter = :test