spec/nanoc/helpers/html_escape_spec.rb in nanoc-4.7.9 vs spec/nanoc/helpers/html_escape_spec.rb in nanoc-4.7.10

@@ -1,15 +1,17 @@
+# frozen_string_literal: true
+
 describe Nanoc::Helpers::HTMLEscape, helper: true do
   describe '#html_escape' do
     subject { helper.html_escape(string) }
 
     context 'given strings to escape' do
       let(:string) { '< > & "' }
       it { is_expected.to eql('&lt; &gt; &amp; &quot;') }
     end
 
     context 'given a block' do
-      let!(:_erbout) { 'moo' }
+      let!(:_erbout) { String.new('moo') }
 
       it 'adds escaped content to _erbout' do
         helper.html_escape { _erbout << '<h1>Stuff!</h1>' }
         expect(_erbout).to eql('moo&lt;h1&gt;Stuff!&lt;/h1&gt;')
       end