Skip tx lifetime tests for now

Author: robsdedude

Neo4j.Driver/Neo4j.Driver.Tests.TestBackend/TestBlackList.cs

@@ -107,7 +107,8 @@ static class TestBlackList
 				"Backend does not yet support serializing paths"),
 
 			("stub.tx_lifetime.test_tx_lifetime.TestTxLifetime.test_managed_tx_raises_tx_managed_exec",
-				"Driver (still) allows explicit managing of managed transaction")
+				"Driver allows to manually manage a managed tx (i.e., tx inside tx func). Will be changed in 6.0.")
+
 		};
 
 		public static bool FindTest(string testName, out string reason)