         result_path = path.join("tests/results/glob", folder, "source.css")
         promises.push(
           q.nfcall(
-            fs.readFile.bind fs.readFile,
+            fs.readFile,
             path.join("./tests/data/glob", folder, "source.css")
           ).then(
             (data) ->

            ).equal right.content
          )
          promises.push q.nfcall(
            fs.readFile.bind fs.readFile,
            "./tests/results/imports/main.css.map"
          ).then((data) -> expect(JSON.parse data).eql right.map)
          q.all promises

                ).equal right[resultPath].content
            )
            promises.push q.nfcall(
              fs.readFile,
              resultPath + ".map"
            ).then(
              (map) ->
