log4j in tests: don't append by default
log4j in tests: don't append by default

GitOrigin-RevId: a7980fcc91e1496ea7a403cbe1f1c7945d92517d

allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community