fixed tests

Makefile

@@ -6,7 +6,6 @@ $(ADDON): src/*.cc
 
 test: $(ADDON)
 	@./node_modules/.bin/expresso \
-		-I lib \
 		test/*.test.js
 
 test-server: $(ADDON)

test/canvas.test.js

@@ -3,7 +3,7 @@
  * Module dependencies.
  */
 
-var Canvas = require('canvas')
+var Canvas = require('../')
   , assert = require('assert')
   , parseFont = Canvas.Context2d.parseFont
   , assert = require('assert')

test/image.test.js

@@ -3,7 +3,7 @@
  * Module dependencies.
  */
 
-var Canvas = require('canvas')
+var Canvas = require('../')
   , Image = Canvas.Image
   , assert = require('assert');