gistfile1.txt

$ test262-harness --hostType="node" test/built-ins/RegExp/*.js
fs.js:951
  return binding.readdir(pathModule._makeLong(path), options.encoding);
                 ^

Error: ENOTDIR: not a directory, scandir 'test/built-ins/RegExp/15.10.2.15-6-1.js'
    at Error (native)
    at Object.fs.readdirSync (fs.js:951:18)
    at findTest262Root (/usr/local/lib/node_modules/test262-harness/lib/findTest262.js:32:23)
    at findTest262Dir (/usr/local/lib/node_modules/test262-harness/lib/findTest262.js:21:15)
    at Object.<anonymous> (/usr/local/lib/node_modules/test262-harness/bin/run.js:33:16)
    at Module._compile (module.js:541:32)
    at Object.Module._extensions..js (module.js:550:10)
    at Module.load (module.js:458:32)
    at tryModuleLoad (module.js:417:12)
    at Function.Module._load (module.js:409:3)
[~/dev/test262] (regexp-fast)
$ test262-harness --hostType="node" test/built-ins/RegExp
ERROR { Error: EISDIR: illegal operation on a directory, read
    at Error (native)
    at Object.fs.readSync (fs.js:731:19)
    at tryReadSync (fs.js:486:20)
    at Object.fs.readFileSync (fs.js:534:19)
    at MapObservable.pathToTestFile [as selector] (/usr/local/lib/node_modules/test262-harness/bin/run.js:53:37)
    at /usr/local/lib/node_modules/test262-harness/node_modules/rx/dist/rx.js:5386:67
    at tryCatcher (/usr/local/lib/node_modules/test262-harness/node_modules/rx/dist/rx.js:63:31)
    at InnerObserver.next (/usr/local/lib/node_modules/test262-harness/node_modules/rx/dist/rx.js:5407:43)
    at InnerObserver.Rx.internals.AbstractObserver.AbstractObserver.onNext (/usr/local/lib/node_modules/test262-harness/node_modules/rx/dist/rx.js:1762:31)
    at Subject.Rx.Subject.addProperties.onNext (/usr/local/lib/node_modules/test262-harness/node_modules/rx/dist/rx.js:5998:19) errno: -21, code: 'EISDIR', syscall: 'read' }
[~/dev/test262] (regexp-fast)
$ test262-harness --hostType="node" test/built-ins/RegExp/
ERROR { Error: EISDIR: illegal operation on a directory, read
    at Error (native)
    at Object.fs.readSync (fs.js:731:19)
    at tryReadSync (fs.js:486:20)
    at Object.fs.readFileSync (fs.js:534:19)
    at MapObservable.pathToTestFile [as selector] (/usr/local/lib/node_modules/test262-harness/bin/run.js:53:37)
    at /usr/local/lib/node_modules/test262-harness/node_modules/rx/dist/rx.js:5386:67
    at tryCatcher (/usr/local/lib/node_modules/test262-harness/node_modules/rx/dist/rx.js:63:31)
    at InnerObserver.next (/usr/local/lib/node_modules/test262-harness/node_modules/rx/dist/rx.js:5407:43)
    at InnerObserver.Rx.internals.AbstractObserver.AbstractObserver.onNext (/usr/local/lib/node_modules/test262-harness/node_modules/rx/dist/rx.js:1762:31)
    at Subject.Rx.Subject.addProperties.onNext (/usr/local/lib/node_modules/test262-harness/node_modules/rx/dist/rx.js:5998:19) errno: -21, code: 'EISDIR', syscall: 'read' }