update tests

test/static/file.txt

@@ -0,0 +1 @@
+test

test/static/static.js

@@ -0,0 +1,18 @@
+'use strict'
+const test = require('tape')
+const request = require('req-then')
+const LocalWebServer = require('../../')
+const c = require('../common')
+
+test('static', function (t) {
+  t.plan(2)
+  const ws = new LocalWebServer()
+  ws.addStatic(__dirname, { index: 'file.txt' })
+  const server = ws.getServer()
+  server.listen(8100, () => {
+    request('http://localhost:8100/')
+      .then(c.checkResponse(t, 200, /test/))
+      .then(server.close.bind(server))
+      .catch(c.fail(t))
+  })
+})