private void clearCallbackState() {
    clLastEvent = null;
    clInvokeCount = 0;
    clClosed = false;
    cwLastEvent = null;
    cwInvokeCount = 0;
    cwClosed = false;
    tlLastEvents = null;
    tlInvokeCount = 0;
    tlClosed = false;
  }
Clears the all the callback state this test has received.
geode-core/src/integrationTest/java/org/apache/geode/cache/ProxyJUnitTest.java