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/DefaultTCPNIOTransportTestCase.java

@@ -51,6 +51,7 @@

        // Establish a socket connection to see if the transport factory works.
        try (Socket socket = new Socket()) {
         socket.setReuseAddress(true);
            socket.connect(socketAddress);

            // Successfully connected if there is no exception.