don't expect " encoding anymore

spec/fixtures/parallel_diff_result.yml

@@ -121,7 +121,7 @@
     :type: old
     :number: 9
     :text: |
-      -<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>
+      -<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>
     :line_code: 2f6fcd96b88b36ce98c38da085c795a27d92a3dd_9_9
     :position: !ruby/object:Gitlab::Diff::Position
       attributes:
@@ -136,7 +136,7 @@
     :type: new
     :number: 9
     :text: |
-      +<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>
+      +<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>
     :line_code: 2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_9
     :position: !ruby/object:Gitlab::Diff::Position
       attributes:
@@ -241,7 +241,7 @@
     :type: old
     :number: 13
     :text: |
-      -<span id="LC13" class="line">    <span class="n">vars</span> <span class="o">=</span> <span class="p">{</span> <span class="s2">&quot;PWD&quot;</span> <span class="o">=&gt;</span> <span class="n">path</span> <span class="p">}</span></span>
+      -<span id="LC13" class="line">    <span class="n">vars</span> <span class="o">=</span> <span class="p">{</span> <span class="s2">"PWD"</span> <span class="o">=&gt;</span> <span class="n">path</span> <span class="p">}</span></span>
     :line_code: 2f6fcd96b88b36ce98c38da085c795a27d92a3dd_13_13
     :position: !ruby/object:Gitlab::Diff::Position
       attributes:
@@ -315,7 +315,7 @@
     :type: new
     :number: 15
     :text: |
-      +<span id="LC15" class="line">      <span class="s2">&quot;PWD&quot;</span> <span class="o">=&gt;</span> <span class="n">path</span></span>
+      +<span id="LC15" class="line">      <span class="s2">"PWD"</span> <span class="o">=&gt;</span> <span class="n">path</span></span>
     :line_code: 2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_15
     :position: !ruby/object:Gitlab::Diff::Position
       attributes:
@@ -623,7 +623,7 @@
     :type:
     :number: 20
     :text: |2
-       <span id="LC26" class="line">    <span class="vi">@cmd_output</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span></span>
+       <span id="LC26" class="line">    <span class="vi">@cmd_output</span> <span class="o">=</span> <span class="s2">""</span></span>
     :line_code: 2f6fcd96b88b36ce98c38da085c795a27d92a3dd_20_26
     :position: !ruby/object:Gitlab::Diff::Position
       attributes:
@@ -638,7 +638,7 @@
     :type:
     :number: 26
     :text: |2
-       <span id="LC26" class="line">    <span class="vi">@cmd_output</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span></span>
+       <span id="LC26" class="line">    <span class="vi">@cmd_output</span> <span class="o">=</span> <span class="s2">""</span></span>
     :line_code: 2f6fcd96b88b36ce98c38da085c795a27d92a3dd_20_26
     :position: !ruby/object:Gitlab::Diff::Position
       attributes: