diff --git a/test/helpers/application_helper_test.rb b/test/helpers/application_helper_test.rb
index fe127ff7b..be1c60303 100644
--- a/test/helpers/application_helper_test.rb
+++ b/test/helpers/application_helper_test.rb
@@ -1148,17 +1148,15 @@ class ApplicationHelperTest < Redmine::HelperTest
   end
 
   def test_syntax_highlight
-    raw = <<-RAW
-<pre><code class="ECMA_script">
-/* Hello */
-document.write("Hello World!");
-</code></pre>
-RAW
-
-    expected = <<-EXPECTED
-<pre><code class="ECMA_script syntaxhl"><span class="cm">/* Hello */</span><span class="nb">document</span><span class="p">.</span><span class="nx">write</span><span class="p">(</span><span class="dl">"</span><span class="s2">Hello World!</span><span class="dl">"</span><span class="p">);</span></code></pre>
-EXPECTED
-
+    raw = <<~RAW
+      <pre><code class="ECMA_script">
+      /* Hello */
+      document.write("Hello World!");
+      </code></pre>
+    RAW
+    expected = <<~EXPECTED
+      <pre><code class="ECMA_script syntaxhl"><span class="cm">/* Hello */</span><span class="nb">document</span><span class="p">.</span><span class="nx">write</span><span class="p">(</span><span class="dl">"</span><span class="s2">Hello World!</span><span class="dl">"</span><span class="p">);</span></code></pre>
+    EXPECTED
     assert_equal expected.gsub(%r{[\r\n\t]}, ''), textilizable(raw).gsub(%r{[\r\n\t]}, '')
   end