test: wallet: Check direct file backup name.

This check ensures that when migrating a legacy wallet with a direct
filename, the backup file is named as expected.

Co-authored-by: Ava Chow <[email protected]>

Author: davidgumberg

test/functional/wallet_migration.py

@@ -584,7 +584,10 @@ def test_direct_file(self):
         )
         assert (self.master_node.wallets_path / "plainfile").is_file()
 
-        self.master_node.migratewallet("plainfile")
+        mocked_time = int(time.time())
+        self.master_node.setmocktime(mocked_time)
+        migrate_res = self.master_node.migratewallet("plainfile")
+        assert_equal(f"plainfile_{mocked_time}.legacy.bak", os.path.basename(migrate_res["backup_path"]))
         wallet = self.master_node.get_wallet_rpc("plainfile")
         info = wallet.getwalletinfo()
         assert_equal(info["descriptors"], True)