fix test server address

Author: chernser

client-v2/src/test/java/com/clickhouse/client/ClientTests.java

@@ -66,7 +66,7 @@ public void testSecureConnection() {
         ClickHouseNode secureServer = getSecureServer(ClickHouseProtocol.HTTP);
 
         try (Client client = new Client.Builder()
-                .addEndpoint("https://localhost:8443")
+                .addEndpoint("https://localhost:" + secureServer.getPort())
                 .setUsername("default")
                 .setPassword("")
                 .setRootCertificate("containers/clickhouse-server/certs/localhost.crt")