test: Require standard txs in regtest

test/functional/mining_prioritisetransaction.py

@@ -14,7 +14,10 @@ class PrioritiseTransactionTest(BitcoinTestFramework):
     def set_test_params(self):
         self.setup_clean_chain = True
         self.num_nodes = 2
-        self.extra_args = [["-printpriority=1"], ["-printpriority=1"]]
+        self.extra_args = [[
+            "-printpriority=1",
+            "-acceptnonstdtxn=1",
+        ]] * self.num_nodes
 
     def skip_test_if_missing_module(self):
         self.skip_if_no_wallet()