11.4.1-4.a-12 (TestCases/chapter11/11.4/11.4.1/11.4.1-4.a-12.js) delete operator returns false when deleting a property(length)

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS ES5Harness.preconditionPassed is true
PASS ES5Harness.testPassed is true
PASS successfullyParsed is true

TEST COMPLETE