Use PerMethod strategy to avoid conflicts between tests.

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1466397 13f79535-47bb-0310-9956-ffa450edef68
Cosmetic fix

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1466398 13f79535-47bb-0310-9956-ffa450edef68