Issue #2339151 by EclipseGc, tim.plunkett, Gábor Hojtsy, effulgentsia: Conditions / context system does not allow for multiple configurable contexts, eg. language types
Revert "Issue #2376039 by znerol, Wim Leers, alexpott: Undefined property ContainerAwareEventDispatcherTest::results in run-tests.sh"

This reverts commit cbc449b8908f27978d0502b9f5dcbc45788fb544.
Revert "Issue #2189345 by sanduhrs, jbekker, joshtaylor, benjy, sun: run-tests.sh should exit with a failure code if any tests failed"

This reverts commit 1edfae732f39e57f6ad62a1a5f6e6faa2aacee89.