gistfile1.txt

      context 'when ssn is required' do
        context 'empty ssn' do
          let(:ssn) { '' }

           
          it {  expect(response).to have_http_status(422) }
          it 'returns status 422' do
            expect(response).to have_http_status(422)
          end

          it 'does not update ssn' do
            expect(stackin_plus_account.reload.ssn).to eq(nil)
          end
        end

        context 'invalid ssn' do
          let(:ssn) { '999-99-9999' }

          it 'returns status 422' do
            expect(response).to have_http_status(422)
          end

          it 'does not update ssn' do
            expect(stackin_plus_account.reload.ssn).to eq(nil)
          end
        end

        context 'valid ssn' do
          it 'returns status 204' do
            expect(response).to have_http_status(204)
          end

          it 'updates ssn' do
            expect(stackin_plus_account.reload.ssn).to eq(params[:ssn])
          end
        end
      end