Fix incorrect filename.

spec/serializers/basic_group_serializer_spec.rb

@@ -0,0 +1,23 @@
+require 'rails_helper'
+
+describe BasicGroupSerializer do
+  subject { described_class.new(group, scope: Guardian.new, root: false) }
+
+  describe '#display_name' do
+    describe 'automatic group' do
+      let(:group) { Group.find(1) }
+
+      it 'should include the display name' do
+        expect(subject.display_name).to eq(I18n.t('groups.default_names.admins'))
+      end
+    end
+
+    describe 'normal group' do
+      let(:group) { Fabricate(:group) }
+
+      it 'should not include the display name' do
+        expect(subject.display_name).to eq(nil)
+      end
+    end
+  end
+end