If a change hasn't been cleaned the test will fail with the following error from JcrState:
Configuration has been changed, but not reverted; make sure changes in tearDown overrides are saved. " +
"Detected changes: added = " + added + ", changed = " + changed + ", removed = " + missing + ". " +
"Use RepositoryTestCase#setConfigurationChangeDebugPath to narrow down."
But RepositoryTestCase#setConfigurationChangeDebugPath doesn't exist