supertest jest

Jest Expect Methods https://jestjs.io/docs/en/expect

it = test

        it('count > 30', async () => {
            await reqTarget.get("/members").expect(200)
            .then((res) => {
                //Can use foreach, more easy
                for(key in res.body){
                    //console.log(res.body[key].cou );
                    if (res.body[key].cou  > 100) throw new Error("count: "+res.body[key].cou +" > 30");  //for vars value check message
                    expect(res.body[key].cou ).toBeLessThan(30);
                }
            });
        });