LPS-44580 Partially revert 0dcaedda18200a79828dac50a6d764b62598bdf2, keep test methods in test classes. Don't bring them into production code. And it broke RandomUtilTest
LPS-44580 Free feel to add a RandomTestUtil in com.liferay.portal.kernel.test, if this is really going to be reused.
LPS-46252 As a developer or administrator I'd like to have access to the OSGi command shell
LPS-46252 a bug in fileinstall was causing the equinox console to not work