bump test timeouts so that functional tests run in valgrind

test/functional/wallet_groups.py

@@ -16,7 +16,7 @@ class WalletGroupTest(BitcoinTestFramework):
         self.setup_clean_chain = True
         self.num_nodes = 3
         self.extra_args = [[], [], ['-avoidpartialspends']]
-        self.rpc_timeout = 120
+        self.rpc_timeout = 240
 
     def skip_test_if_missing_module(self):
         self.skip_if_no_wallet()