fixup: for masternode args_for change

Author: domob1812

divi/qa/rpc-tests/masternode.py

@@ -6,6 +6,7 @@
 
 from test_framework import BitcoinTestFramework
 from util import *
+import copy
 import time
 
 
@@ -167,7 +168,7 @@ def wait_for_mnsync_on_nodes (self, updateMockTime = False):
   def args_for(self, n):
     """Returns the arguments to use for node n.  Defaults to the base args
     but can be overridden as needed."""
-    return self.base_args
+    return copy.deepcopy(self.base_args)
 
   def stop_masternode_daemons(self):
     def stop_masternode(nodeIndex):