Make the spec same with CE master

spec/models/group_spec.rb

@@ -461,7 +461,6 @@ describe Group, models: true do
   describe '#secret_variables_for' do
     let(:project) { create(:empty_project, group: group) }
 
-    context 'when protected and unprotected variables has existsed' do
     let!(:secret_variable) do
       create(:ci_group_variable, value: 'secret', group: group)
     end
@@ -504,7 +503,6 @@ describe Group, models: true do
 
       it_behaves_like 'ref is protected'
     end
-    end
 
     context 'when group has children', :postgresql do
       let(:group_child)      { create(:group, parent: group) }