pr_spec.rb in circleci-bundle-update-pr-4.0.0

- old
+ new

@@ -73,14 +73,10 @@
 
       it { is_expected.to eq 'Gemfile.lock' }
     end
 
     context "when ENV['CIRCLE_WORKING_DIRECTORY'] is relative path" do
-      let(:workdir_env) do
-        project_dir = Pathname.getwd.to_s
-        home_dir = Pathname.new(ENV.fetch('HOME', nil)).to_s
-        project_dir.sub(home_dir, '~')
-      end
+      let(:workdir_env) { Pathname.getwd.to_s.sub(Dir.home, '~') }
       let(:src_dir) { 'spec/tmp' }
 
       around do |e|
         FileUtils.mkdir_p(src_dir)
         FileUtils.touch("#{src_dir}/Gemfile.lock")