// The minimal setup for log4J
 @Override
 protected void setUp() throws Exception {
   apps.tests.Log4JFixture.setUp();
   super.setUp();
   jmri.util.JUnitUtil.resetInstanceManager();
   jmri.util.JUnitUtil.initInternalTurnoutManager();
   jmri.util.JUnitUtil.initInternalLightManager();
   jmri.util.JUnitUtil.initInternalSensorManager();
   jmri.util.JUnitUtil.initIdTagManager();
 }
 @Override
 protected void tearDown() throws Exception {
   jmri.util.JUnitUtil.resetInstanceManager();
   super.tearDown();
   apps.tests.Log4JFixture.tearDown();
 }