Followup to https://reviews.llvm.org/rG760c208f6ff9e97a9a11523c00874a1eec4f876b which XFAIL'd them, but they pass in some configurations.
// LSan tests fail on Darwin
// UNSUPPORTED: darwin && lsan
// tsan and ubsan are supported on darwin, but they currently fail
-// likely because the test platform is too old
-// XFAIL: darwin && tsan
-// XFAIL: darwin && ubsan
+// on some platforms likely because the test platform is too old
+// UNSUPPORTED: darwin && tsan
+// UNSUPPORTED: darwin && ubsan
#include <stdio.h>
#include <sanitizer/common_interface_defs.h>