@Test
  public void testUpdaterThreadIsAliveForFailedEndPoint() {
    client1.invoke(InterestListEndpointDUnitTest::acquirePoolConnection);
    client1.invoke(InterestListEndpointDUnitTest::processException);
    client1.invoke(InterestListEndpointDUnitTest::verifyUpdaterThreadIsAlive);
  }
put on non interest list ep and verify updates
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/InterestListEndpointDUnitTest.java