Fixed Non-ASCII attachment filename will crash when downloading.

Thanks to xet7 !

Fixes #2759

packages/wekan-request/tests/run.js

@@ -0,0 +1,46 @@
+var spawn = require('child_process').spawn
+  , exitCode = 0
+  , timeout = 10000
+  , fs = require('fs')
+  ;
+
+// clear proxy releated environment variables
+delete process.env.HTTP_PROXY
+delete process.env.http_proxy
+delete process.env.HTTPS_PROXY
+delete process.env.https_proxy
+  
+fs.readdir(__dirname, function (e, files) {
+  if (e) throw e
+
+  var tests = files.filter(function (f) {return f.slice(0, 'test-'.length) === 'test-'})
+
+  var next = function () {
+    if (tests.length === 0) process.exit(exitCode);
+
+    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) {
+      if (code && !killed) console.error(file + ' failed')
+      exitCode += code || 0
+      clearTimeout(t)
+      next()
+    })
+  }
+  next()
+    
+})
+
+