   it 'throws while parsing invalid-request-method.nb', ->
     scope = new Scope
     assert.throws ->
-      nockingbird.load scope, __dirname + '/nb/invalid-request-method.nb'
+      nockingbird.load scope, "#{__dirname}/nb/invalid-request-method.nb"
     , (err) ->
       err.constructor is Error and
       err.message is 'Invalid request method "get"'
 
   it 'ensures status code is a number', ->
     scope = new Scope
-    nockingbird.load scope, __dirname + '/nb/hello-world.nb'
+    nockingbird.load scope, "#{__dirname}/nb/hello-world.nb"
     assert.strictEqual scope.__log__[1][1], 200


  it 'parses reply-with-file.nb', ->
    scope = new Scope
    nockingbird.load scope, __dirname + '/nb/reply-with-file.nb', '/tmp'
    assert.deepEqual scope.__log__, [
      ['get', '/']
      ['replyWithFile', 200, '/tmp/index.html', {}]


  it 'parses request-methods.nb', ->
    scope = new Scope
    nockingbird.load scope, "#{__dirname}/nb/request-methods.nb"
    assert.deepEqual scope.__log__, [
      ['get', '/']
      ['reply', 200, 'GET request successful', {}]
