Add WikiPage#to_partial_path

app/models/wiki_page.rb

@@ -207,6 +207,12 @@ class WikiPage
     end
   end
+  # Relative path to the partial to be used when rendering collections
+  # of this object.
+  def to_partial_path
+    'projects/wikis/wiki_page'
+  end
+
   private
   def set_attributes

spec/models/wiki_page_spec.rb

@@ -322,6 +322,14 @@ describe WikiPage, models: true do
     end
   end
+  describe '#to_partial_path' do
+    it 'returns the relative path to the partial to be used' do
+      page = build(:wiki_page)
+
+      expect(page.to_partial_path).to eq('projects/wikis/wiki_page')
+    end
+  end
+
   private
   def remove_temp_repo(path)