Test that a response equals a desire JSON in Postman

test.js

pm.test("Equals response", function () {
    const expectedJson = {};
    const response = JSON.stringify(expectedJson);
    
    try {
        const data = pm.response.json();
        pm.expect(JSON.stringify(data)).to.eql(response);
    } catch(e) {
        const data = pm.response.text();
        pm.expect(data).to.eql(response);
    }
});