Some changes are required like
- anyString() --> nullable(String.class) for many tests as in fact we provide null values
- add class for VerificationMode as there are more than one method now (can't use lambdas)
- remove cast on ArgumentMatcher (now we can use lambdas as there is generics)
- remove unecessary stubbing (mockito is now reporting un-needed stubs)
Change-Id: I69c7ccc86bc85a4401d5e33671229ae0ce560dbb
Signed-off-by: Florent BENOIT <fbenoit@redhat.com>