additional test for coveralls failure

spec/helpers/publications_helper/publications_helper_author_citation_spec.rb

@@ -22,14 +22,22 @@
       end
     end
 
-    context 'when there are multiple authors' do
+    context 'when there are two authors' do
       let(:publication) { double(author_first_name: %w[John Jane], author_last_name: %w[Doe Roe]) }
 
       it 'returns all authors in citation format' do
         expect(helper.author_citation(publication)).to eq('Doe, John and Jane Roe')
       end
     end
 
+    context 'when there are more than two authors' do
+      let(:publication) { double(author_first_name: %w[John Jane Mary Jo], author_last_name: %w[Doe Roe Wallace Smith]) }
+
+      it 'returns all authors in citation format' do
+        expect(helper.author_citation(publication)).to eq('Doe, John, Roe, Jane, Wallace, Mary and Jo Smith')
+      end
+    end
+
     context 'when publication is nil' do
       it 'returns an empty string' do
         expect(helper.author_citation(nil)).to eq('')