Remove order-dependent expectation

Signed-off-by: Rémy Coutable <remy@rymai.me>

spec/models/group_label_spec.rb

@@ -18,7 +18,7 @@ describe GroupLabel, models: true do
   end
 
   describe '#to_reference' do
-    let(:label) { create(:group_label) }
+    let(:label) { create(:group_label, title: 'feature') }
 
     context 'using id' do
       it 'returns a String reference to the object' do

spec/requests/api/labels_spec.rb

@@ -15,7 +15,7 @@ describe API::API, api: true  do
   describe 'GET /projects/:id/labels' do
     it 'returns all available labels to the project' do
       group = create(:group)
-      group_label = create(:group_label, group: group)
+      group_label = create(:group_label, title: 'feature', group: group)
       project.update(group: group)
       expected_keys = [
         'id', 'name', 'color', 'description',