Adjust the realpath test (it fails on macos, as /tmp is a symlink to /private/tmp).
@@ -23,4 +23,4 @@ assert(Path.dirname("/root///a") == "/root");
assert(Path.DELIMITER == ":");
assert(Path.DIR_SEPARATOR == "/");
-assert(Path.realpath("/tmp/../tmp/../tmp") == "/tmp");
+assert(Path.realpath("/usr/../usr/../usr") == "/usr");
