Fixes one icon test

spec/lib/gitlab/ci/status/build/factory_spec.rb

@@ -84,7 +84,7 @@ describe Gitlab::Ci::Status::Build::Factory do
 
       it 'fabricates status with correct details' do
         expect(status.text).to eq 'failed'
-        expect(status.icon).to eq 'status_warning'
+        expect(status.icon).to eq 'warning'
         expect(status.favicon).to eq 'favicon_status_failed'
         expect(status.label).to eq 'failed (allowed to fail)'
         expect(status).to have_details