qa: Run all tests even if wallet is not compiled

test/functional/wallet_txn_doublespend.py

@@ -18,6 +18,9 @@ class TxnMallTest(BitcoinTestFramework):
     def set_test_params(self):
         self.num_nodes = 4
 
+    def skip_test_if_missing_module(self):
+        self.skip_if_no_wallet()
+
     def add_options(self, parser):
         parser.add_argument("--mineblock", dest="mine_block", default=False, action="store_true",
                             help="Test double-spend of 1-confirmed transaction")