private void verifyExpiry() {
    await().timeout(timeoutToVerifyExpiry).untilAsserted(() -> {
      assertThat(proxy.getThreadIdToSequenceIdMap().size()).isEqualTo(0);
    });
  }
Tests the functionality of operations of AbstractConnectionProxy & its derived classes.
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/tier/sockets/ConnectionProxyIntegrationTest.java