diff --git a/test/unit/image-editor.js b/test/unit/image-editor.js
index 57c5db0..4245bd7 100644
--- a/test/unit/image-editor.js
+++ b/test/unit/image-editor.js
@@ -1,24 +1,28 @@
-QUnit.module('ImageEditor');
+(function() {
 
-QUnit.test('should load image', function( assert ) {
-  var done = assert.async();
-  var editor = new ImageEditor('canvas');
-  editor.loadImage('fixtures/dog.jpg', function() {
-    assert.ok(editor.canvas.getImage(), 'image loaded');
-    done();
-  });
-});
+    QUnit.module('ImageEditor');
 
-QUnit.test('should crop image', function( assert ) {
-  var done = assert.async();
-  var editor = new ImageEditor('canvas');
-  editor.loadImage('fixtures/dog.jpg', function() {
-    editor.crop(400, 200, 'cm');
-    var data = editor.canvas.getImageData().getData();
-    assert.strictEqual(data.width, 400, 'sets image width');
-    assert.strictEqual(data.height, 200, 'sets image height');
-    assert.strictEqual(data.x, 0, 'sets crop x');
-    assert.equal(data.y, 0.12482117310443483, 'sets crop y');
-    done();
-  });
-});
\ No newline at end of file
+    QUnit.test('should load image', function( assert ) {
+        var done = assert.async();
+        var editor = new ImageEditor('canvas');
+        editor.loadImage('fixtures/dog.jpg', function() {
+        assert.ok(editor.canvas.getImage(), 'image loaded');
+        done();
+        });
+    });
+
+    QUnit.test('should crop image', function( assert ) {
+        var done = assert.async();
+        var editor = new ImageEditor('canvas');
+        editor.loadImage('fixtures/dog.jpg', function() {
+            editor.crop(400, 200, 'cm');
+            var data = editor.canvas.getImageData().getData();
+            assert.strictEqual(data.width, 400, 'sets image width');
+            assert.strictEqual(data.height, 200, 'sets image height');
+            assert.strictEqual(data.x, 0, 'sets crop x');
+            assert.equal(data.y, 0.12482117310443483, 'sets crop y');
+            done();
+        });
+    });
+
+})();
\ No newline at end of file