fix

Author: Caideyipi

integration-test/src/test/java/org/apache/iotdb/pipe/it/single/IoTDBPipeOPCUAIT.java

@@ -102,7 +102,7 @@ public void testOPCUAServerSink() throws Exception {
       while (true) {
         final int[] ports = EnvUtils.searchAvailablePorts();
         tcpPort = ports[0];
-        final int httpsPort = ports[1];
+        httpsPort = ports[1];
         sinkAttributes.put("tcp.port", Integer.toString(tcpPort));
         sinkAttributes.put("https.port", Integer.toString(httpsPort));