Clear all markers before and after tests.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1596642 13f79535-47bb-0310-9956-ffa450edef68
Format nit.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1596643 13f79535-47bb-0310-9956-ffa450edef68
Format nit.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1596644 13f79535-47bb-0310-9956-ffa450edef68
This hack makes it such that all the test classes in this package can be executed in any order in a test suite (like from Eclipse).

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1596645 13f79535-47bb-0310-9956-ffa450edef68