Bug 578601 - Use more JUnit-4 test suites and unify suites

Change-Id: I2114517b114aa149ac41876f391894c3b53ffb8f
Signed-off-by: Hannes Wellmann <wellmann.hannes1@gmx.net>
Reviewed-on: https://git.eclipse.org/r/c/equinox/rt.equinox.framework/+/190492
Tested-by: Equinox Bot <equinox-bot@eclipse.org>
74 files changed