miner_tests: Disable checkpoints so they don't fail the subsidy-change test

src/test/miner_tests.cpp

@@ -56,6 +56,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
     uint256 hash;
 
     LOCK(cs_main);
+    Checkpoints::fEnabled = false;
 
     // Simple block creation, nothing special yet:
     BOOST_CHECK(pblocktemplate = CreateNewBlock(scriptPubKey));
@@ -258,6 +259,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
     BOOST_FOREACH(CTransaction *tx, txFirst)
         delete tx;
 
+    Checkpoints::fEnabled = true;
 }
 
 BOOST_AUTO_TEST_SUITE_END()