strace -o /tmp/whatever npm run spectest test/model/Task.coffee

UNIT_TESTS=true mocha --compilers coffee:coffee-script/register --no-deprecation --reporter spec --timeout=5000

read(3, "*", 1)                         = 1
rt_sigaction(SIGCHLD, {0x1235930, ~[RTMIN RT_1], SA_RESTORER, 0x7f8219469390}, NULL, 8) = 0
write(4, "*", 1)                        = 1
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f821a523a10) = 12311
close(13)                               = 0
read(12, "", 4)                         = 0
close(12)                               = 0
epoll_wait(5, [], 1024, 0)              = 0
epoll_wait(5,