Add tests from CAF exactly as they came from CAF. They are not yet being called and run
diff --git a/test/mempool_test.c b/test/mempool_test.c
new file mode 100644
index 0000000..3eec5e8
--- /dev/null
+++ b/test/mempool_test.c
@@ -0,0 +1,9 @@
+//
+//  mempool_test.c
+//  QCBOR
+//
+//  Created by Laurence Lundblade on 10/8/18.
+//  Copyright © 2018 Laurence Lundblade. All rights reserved.
+//
+
+#include "mempool_test.h"