describe <%= namespaced_model_class %>::Create do

let(:result) { described_class.trace(params: params) }
let(:params) do
  {
    <%= singular_file_name %>: attributes_for(:<%= singular_file_name %>)
  }
end

it 'persists when valid' do
  expect(result.success?).to eq true
  expect(result[:model].persisted?).to eq true
end

end