Consolidate 'leak_test1' and 'refleaks_tests', since they both test for the same kind of thing.
Consolidate 'leak_test1' and 'refleaks_tests', since they both test for the
same kind of thing.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator