qa wallet: Actually make use of expressions

They were basically no-ops.

Author: hodlinator

test/functional/wallet_multisig_descriptor_psbt.py

@@ -96,9 +96,9 @@ def run_test(self):
         self.log.info("Check that every participant's multisig generates the same addresses...")
         for _ in range(10):  # we check that the first 10 generated addresses are the same for all participant's multisigs
             receive_addresses = [multisig.getnewaddress() for multisig in participants["multisigs"]]
-            all(address == receive_addresses[0] for address in receive_addresses)
+            assert all(address == receive_addresses[0] for address in receive_addresses)
             change_addresses = [multisig.getrawchangeaddress() for multisig in participants["multisigs"]]
-            all(address == change_addresses[0] for address in change_addresses)
+            assert all(address == change_addresses[0] for address in change_addresses)
 
         self.log.info("Get a mature utxo to send to the multisig...")
         coordinator_wallet = participants["signers"][0]