$ expresso test/datasource.test.js
Creating export dir /Users/dmitri/ds/tilemill/test/fixtures/files/export
Creating data dir /Users/dmitri/ds/tilemill/test/fixtures/files/data
Started [Server Core:8889].
Initialized test fixture

   uncaught: AssertionError: test shapefile datasource with features. Invalid response status code.
    Expected: 200
    Got: 404
    at IncomingMessage.<anonymous> (/usr/local/lib/node_modules/expresso/bin/expresso:480:28)
    at IncomingMessage.emit (events.js:81:20)
    at HTTPParser.onMessageComplete (http.js:133:23)
    at Socket.ondata (http.js:1228:22)
    at Socket._onReadable (net.js:683:27)
    at IOWatcher.onReadable [as callback] (net.js:177:10)


   uncaught: AssertionError: test shapefile datasource with features. Invalid response status code.
    Expected: 200
    Got: 404
    at IncomingMessage.<anonymous> (/usr/local/lib/node_modules/expresso/bin/expresso:480:28)
    at IncomingMessage.emit (events.js:81:20)
    at HTTPParser.onMessageComplete (http.js:133:23)
    at Socket.ondata (http.js:1228:22)
    at Socket._onReadable (net.js:683:27)
    at IOWatcher.onReadable [as callback] (net.js:177:10)

^C
   Failures: 2