test: remove TODO comment
test: remove TODO comment

The comment suggests adding randomness to the test suite.

PR-URL: https://github.com/nodejs/io.js/pull/1820
Reviewed-By: Johan Bergström <3e38e5ce4283f06de4b83ad13af081abc5e16740@bergstroem.nu>

dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node