'PlantUML Error' in this test is now just 'Error'

spec/lib/banzai/filter/plantuml_filter_spec.rb

@@ -26,7 +26,7 @@ describe Banzai::Filter::PlantumlFilter do
   it 'does not replace plantuml pre tag with img tag if url is invalid' do
     stub_application_setting(plantuml_enabled: true, plantuml_url: "invalid")
     input = '<pre><code lang="plantuml">Bob -> Sara : Hello</code></pre>'
-    output = '<div class="listingblock"><div class="content"><pre class="plantuml plantuml-error"> PlantUML Error: cannot connect to PlantUML server at "invalid"</pre></div></div>'
+    output = '<div class="listingblock"><div class="content"><pre class="plantuml plantuml-error"> Error: cannot connect to PlantUML server at "invalid"</pre></div></div>'
     doc = filter(input)
 
     expect(doc.to_s).to eq output