[tests] update zmq test to use correct config.ini file

Author: jnewbery

test/functional/zmq_test.py

@@ -28,7 +28,7 @@ def setup_nodes(self):
         # Check that bitcoin has been built with ZMQ enabled
         config = configparser.ConfigParser()
         if not self.options.configfile:
-            self.options.configfile = os.path.dirname(__file__) + "/config.ini"
+            self.options.configfile = os.path.dirname(__file__) + "/../config.ini"
         config.read_file(open(self.options.configfile))
 
         if not config["components"].getboolean("ENABLE_ZMQ"):