JAVASCRIPT

postman test check response status

pm.test("Status code is 200", function () {
    pm.response.to.have.status(200);
});

postman test api response time

pm.test("Response time is less than 200ms", () => {
  pm.expect(pm.response.responseTime).to.be.below(200);
});

how to test response in postman

Basicall we are checking response body
to verify if request matches with response.
In the response we are verifying
(body, status code, header, response time,
 test structure of json against the given jsonSchema)