text: import Quote from 'models/quote';
  
  describe('Quote spec', () => {
    let quote;
    beforeEach(() => {
      quote = new Quote({
        symbol: 'HELLO',
        price: 100.00,
      });
    });
  
    describe('Buy function', () => {
      it('increases the price by $1.00', () => {
        const startPrice = quote.get('price');
  
        quote.buy();
  
        expect(quote.get('price')).toEqual(startPrice + 1.00);
      });
    });
  
    describe('Sell function', () => {
      it('decreases the price by $1.00', () => {
        const startPrice = quote.get('price');
  
        quote.sell();
  
        expect(quote.get('price')).toEqual(startPrice - 1.00);
      });
    });
  });
  