text: import selectExpensesTotal from '../../selectors/expenses-total';
  import expenses from '../fixtures/expenses';
  
  describe('expenses-total should', () => {
    it('return 0 if no expenses', () => {
      const result = selectExpensesTotal([]);
      expect(result).toBe(0);
    });
  
    it('add up a single expense', () => {
      const result = selectExpensesTotal([expenses[0]]);
      expect(result).toBe(195);
    });
  
    it('add up a multiple expense', () => {
      const result = selectExpensesTotal(expenses);
      expect(result).toBe(114195);
    });
  });
  