Restore IT test for server-legacy and fix many errors (#279)

vharseko

12.41.2023 0de6858e9548e84aebc148747be92a811ba33636

 opendj-grizzly/src/test/java/org/forgerock/opendj/grizzly/ConnectionFactoryTestCase.java

@@ -565,6 +565,9 @@
                    assertThat(context.isClosed()).isFalse();
                    if (config.sendDisconnectNotification) {
                        context.disconnect(ResultCode.BUSY, "busy");
                        for(int i=1;i<10 && !context.isClosed() ;i++) {
                           Thread.sleep(100);
                        }
                    } else {
                        context.disconnect();
                    }