[Truffle] Process.setrlimit failures on Linux.

Author: chrisseaton

spec/truffle/tags/core/process/getrlimit_tags.txt

@@ -37,3 +37,5 @@ fails:Process.getrlimit when passed a String coerces 'MSGQUEUE' into RLIMIT_MSGQ
 fails:Process.getrlimit when passed a String coerces 'SIGPENDING' into RLIMIT_SIGPENDING
 fails:Process.getrlimit when passed a String coerces 'RTPRIO' into RLIMIT_RTPRIO
 fails:Process.getrlimit when passed a String coerces 'NICE' into RLIMIT_NICE
+fails:Process.setrlimit when passed a Symbol coerces :RTTIME into RLIMIT_RTTIME
+fails:Process.setrlimit when passed a String coerces 'RTTIME' into RLIMIT_RTTIME