Tests for ES6 arrow function test tdz On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS isReferenceError is true PASS isReferenceError is true PASS d.id is 'a' PASS e.id is 'a' PASS f.id is 'a' PASS isReferenceError is true PASS g.id is 'a' PASS h.id is 'a' PASS i.id is 'a' PASS successfullyParsed is true TEST COMPLETE