EMF Compare 3.3.1 - Oxygen - S201706130827
"spy"ing is the root cause of a huge memory leak

This particular mocking of a WrappableTreeViewer was the source of a
memory leak preventing java to retrieve 700MB of memory even after the
end of that JUnit test.

Change-Id: I994e6c2e32ef6b267be9d2e465b57dcae3ffffb2
2 files changed