Issue #1708692 by xjm, effulgentsia, tim.plunkett, fubhy, Berdir, chx: Fixed Bundle services aren't available in the request that enables the module.
Issue #1431658 by Albert Volkman, kid_icarus, ChinggizKhan, xjm, rgristroph, connork: Clean up API docs for many system tests
Issue #1711070 by kid_icarus, tim.plunkett, xjm, droplet, zendoodles and cam8001: Convert tests to use ::$modules property instead of parent::setUp($modules).
Adding a test, and a test module, to show that bundles provided by modules have their services added to the DIC
