Fix assertion and comment

qa/rpc-tests/wallet_nullifiers.py

@@ -5,7 +5,7 @@
 
 
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import assert_equal, start_node, \
+from test_framework.util import assert_equal, assert_true, start_node, \
     start_nodes, connect_nodes_bi, bitcoind_processes
 
 import time
@@ -189,7 +189,7 @@ class WalletNullifiersTest (BitcoinTestFramework):
         assert_equal(myzaddr in self.nodes[3].z_listaddresses(True), True)
 
         # Node 3 should see the same received notes as node 2; however,
-        # some of the notes were change for note 2 but not for note 3.
+        # some of the notes were change for node 2 but not for node 3.
         # Aside from that the recieved notes should be the same. So,
         # group by txid and then check that all properties aside from
         # change are equal.
@@ -199,7 +199,8 @@ class WalletNullifiersTest (BitcoinTestFramework):
         for txid in node2Received:
             received2 = node2Received[txid]
             received3 = node3Received[txid]
-            assert_equal(len(received2), len(received3))
+            # the change field will be omitted for received3, but all other fields should be shared
+            assert_true(len(received2) >= len(received3))
             for key in received2:
                 # check all the properties except for change
                 if key != 'change':