Use subject

Author: michael-misshore

spec/lib/critical_path_css/css_fetcher_spec.rb

@@ -1,7 +1,8 @@
 require 'spec_helper'
 
 RSpec.describe 'CssFetcher' do
-  let(:subject) { CriticalPathCss::CssFetcher.new(config) }
+  subject { CriticalPathCss::CssFetcher.new(config) }
+
   let(:response) { ['foo','', OpenStruct.new(exitstatus: 0)] }
   let(:routes) { ['/', '/new_route'] }
   let(:config) do

spec/lib/critical_path_css/rails/config_loader_spec.rb

@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 RSpec.describe 'ConfigLoader' do
-  let(:subject) { CriticalPathCss::Rails::ConfigLoader.new }
+  subject { CriticalPathCss::Rails::ConfigLoader.new }
 
   describe '#load' do
     before do