Minor test fix.

dbms/tests/integration/test_storage_s3/test.py

@@ -46,25 +46,23 @@ received_data_completed = False
 def test_sophisticated_default(started_cluster):
     instance = started_cluster.instances['dummy']
 
-    localhost = 'localhost'
-
-    def GetFreeTCPPorts(n):
+    def GetFreeTCPPortsAndIP(n):
         result = []
         sockets = []
         for i in range(n):
             tcp = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-            tcp.bind((localhost, 0))
+            tcp.bind(('localhost', 0))
             addr, port = tcp.getsockname()
             result.append(port)
             sockets.append(tcp)
         [ s.close() for s in sockets ]
-        return result
+        return result, addr
 
     format = 'column1 UInt32, column2 UInt32, column3 UInt32'
     values = '(1, 2, 3), (3, 2, 1), (78, 43, 45)'
     other_values = '(1, 1, 1), (1, 1, 1), (11, 11, 11)'
+    (redirecting_to_http_port, redirecting_to_https_port, preserving_data_port, redirecting_preserving_data_port), localhost = GetFreeTCPPortsAndIP(4)
     redirecting_host = localhost
-    redirecting_to_http_port, redirecting_to_https_port, preserving_data_port, redirecting_preserving_data_port = GetFreeTCPPorts(4)
     bucket = 'abc'
 
     def run_query(query):