Enable size accounting in mining unit tests

Github-Pull: #8419
Rebased-From: 8bfd70817b

src/test/miner_tests.cpp

@@ -181,9 +181,7 @@ void TestPackageSelection(const CChainParams& chainparams, CScript scriptPubKey,
 // NOTE: These tests rely on CreateNewBlock doing its own self-validation!
 BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
 {
-    // Disable size accounting (CPFP does not support it)
-    mapArgs["-blockmaxsize"] = strprintf("%u", MAX_BLOCK_SERIALIZED_SIZE);
-
+    // Note that by default, these tests run with size accounting enabled.
     const CChainParams& chainparams = Params(CBaseChainParams::MAIN);
     CScript scriptPubKey = CScript() << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f") << OP_CHECKSIG;
     CBlockTemplate *pblocktemplate;