Drop IdlEnum.prototype.test function. Not needed.
Drop IdlEnum.prototype.test function. Not needed.

The IdlEnum.prototype.test function isn't necessary. It causes additional
spurious/useless PASS messages in the test results despite the fact it's
not actually testing anything and so nothing is actually passing.

jyasskin/testharness.js,hallvors/testharness.js,zqzhang/testharness.js,hallvors/testharness.js,RatneshThakur/testharness.js,bboyle/testharness.js,jyasskin/testharness.js,ayg/testharness.js