Move index specs into without parameters context

spec/controllers/tournaments_controller_spec.rb

@@ -12,6 +12,7 @@ RSpec.describe TournamentsController, type: :controller do
   end
 
   describe 'GET #index' do
+    context 'without parameters' do
       it 'returns a success response' do
         get :index
         expect(response).to be_successful
@@ -45,6 +46,7 @@ RSpec.describe TournamentsController, type: :controller do
         expect(tournaments.map { |t| t[:id] }).not_to include(@private_tournament.id)
       end
     end
+  end
 
   describe 'GET #show' do
     it 'returns a success response' do