rpc: include verbose reject-details field in testmempoolaccept response

test/functional/mempool_accept.py

@@ -67,6 +67,8 @@ class MempoolAcceptanceTest(BitcoinTestFramework):
             if "fees" in r:
                 r["fees"].pop("effective-feerate")
                 r["fees"].pop("effective-includes")
+            if "reject-details" in r:
+                r.pop("reject-details")
         assert_equal(result_expected, result_test)
         assert_equal(self.nodes[0].getmempoolinfo()['size'], self.mempool_size)  # Must not change mempool state