15.4.4.15-9-1 (TestCases/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-9-1.js) Array.prototype.lastIndexOf returns -1 for elements not present

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