test: add rpc getaddressinfo labels test coverage

test/functional/wallet_basic.py

@@ -15,6 +15,10 @@ from test_framework.util import (
     connect_nodes,
     wait_until,
 )
+from test_framework.wallet_util import (
+    labels_value,
+    test_address,
+)
 
 
 class WalletTest(BitcoinTestFramework):
@@ -390,7 +394,7 @@ class WalletTest(BitcoinTestFramework):
             for label in [u'рыба', u'𝅘𝅥𝅯']:
                 addr = self.nodes[0].getnewaddress()
                 self.nodes[0].setlabel(addr, label)
-                assert_equal(self.nodes[0].getaddressinfo(addr)['label'], label)
+                test_address(self.nodes[0], addr, label=label, labels=labels_value(name=label))
                 assert label in self.nodes[0].listlabels()
         self.nodes[0].rpc.ensure_ascii = True  # restore to default