Fixed add README toc

scripts/docker_test.py

@@ -9,6 +9,7 @@
 import sys
 import os
 import subprocess
+import socket
 
 assert os.path.isdir('sgx_data/sgxwallet.db')
 assert os.path.isdir('sgx_data/cert_data');
@@ -19,6 +20,20 @@ assert os.path.isfile('sgx_data/cert_data/SGXServerCert.key')
 assert os.path.isfile('sgx_data/cert_data/rootCA.pem')
 assert os.path.isfile('sgx_data/cert_data/rootCA.key')
 
+s1 = socket.socket()
+s2 = socket.socket()
+s3 = socket.socket()
+address = '127.0.0.1'
+port = 80  # port number is a number, not string
+s.connect((address, 1026))
+s.connect((address, 1027))
+s.connect((address, 1028))
+
+s1.close()
+s2.close()
+s3.close()
+
+