Bug 490273 - Move tests to JUnit 4

Rewrite RegionPerformanceTests to enable porting of
AbstractRegionSystemTest to JUnit 4.

Also includes some minor variable renaming as not to collide with
fields.

Change-Id: Ib7d693485474e65d23f0b4f8f9f314bea5f386a4
Signed-off-by: Sopot Cela <scela@redhat.com>
1 file changed