Add more reporting to tests

This was useful for me when I was testing `request` with `streams2`.

tests/run.js

@@ -1,5 +1,6 @@
 var spawn = require('child_process').spawn
   , exitCode = 0
+  , timeout = 10000
   ;
 
 var tests = [
@@ -35,11 +36,22 @@ var next = function () {
   var file = tests.shift()
   console.log(file)
   var proc = spawn('node', [ 'tests/' + file ])
+
+  var killed = false
+  var t = setTimeout(function () {
+    proc.kill()
+    exitCode += 1
+    console.error(file + ' timeout')
+    killed = true
+  }, timeout)
+
   proc.stdout.pipe(process.stdout)
   proc.stderr.pipe(process.stderr)
   proc.on('exit', function (code) {
-  	exitCode += code || 0
-  	next()
+    if (code && !killed) console.error(file + ' failed')
+    exitCode += code || 0
+    clearTimeout(t)
+    next()
   })
 }
 next()