Convert o.e.core.tests.net and o.e.compare.tests to JUnit4

Had to drop apitooling as it caused errors but API on test bundles is
pure insanity.

Change-Id: Iffa4a8617a388d094fc9147ea1e17688738361fe
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
19 files changed