we no longer encode double-quotes

spec/lib/gitlab/diff/highlight_spec.rb

@@ -28,13 +28,13 @@ describe Gitlab::Diff::Highlight, lib: true do
       end
       it 'highlights and marks removed lines' do
-        code = %Q{-<span id="LC9" class="line">      <span class="k">raise</span> <span class="s2">&quot;System commands must be given as an array of strings&quot;</span></span>\n}
+        code = %Q{-<span id="LC9" class="line">      <span class="k">raise</span> <span class="s2">"System commands must be given as an array of strings"</span></span>\n}
         expect(subject[4].text).to eq(code)
       end
       it 'highlights and marks added lines' do
-        code = %Q{+<span id="LC9" class="line">      <span class="k">raise</span> <span class="no"><span class='idiff left'>RuntimeError</span></span><span class="p"><span class='idiff'>,</span></span><span class='idiff right'> </span><span class="s2">&quot;System commands must be given as an array of strings&quot;</span></span>\n}
+        code = %Q{+<span id="LC9" class="line">      <span class="k">raise</span> <span class="no"><span class='idiff left'>RuntimeError</span></span><span class="p"><span class='idiff'>,</span></span><span class='idiff right'> </span><span class="s2">"System commands must be given as an array of strings"</span></span>\n}
         expect(subject[5].text).to eq(code)
       end
@@ -67,7 +67,7 @@ describe Gitlab::Diff::Highlight, lib: true do
       end
       it 'marks added lines' do
-        code = %Q{+      raise <span class='idiff left right'>RuntimeError, </span>&quot;System commands must be given as an array of strings&quot;}
+        code = %Q{+      raise <span class='idiff left right'>RuntimeError, </span>"System commands must be given as an array of strings"}
         expect(subject[5].text).to eq(code)
         expect(subject[5].text).to be_html_safe