Implement unit test for shape.toPath().toShape()

Currently failing for rect.

test/tests/Shape.js

@@ -0,0 +1,55 @@
+/*
+ * Paper.js - The Swiss Army Knife of Vector Graphics Scripting.
+ * http://paperjs.org/
+ *
+ * Copyright (c) 2011 - 2014, Juerg Lehni & Jonathan Puckey
+ * http://scratchdisk.com/ & http://jonathanpuckey.com/
+ *
+ * Distributed under the MIT license. See LICENSE file for details.
+ *
+ * All rights reserved.
+ */
+
+module('Shape');
+
+test('shape.toPath().toShape()', function() {
+    var shapes = {
+        circle: new Shape.Circle({
+            center: [100, 100],
+            radius: 50,
+            fillColor: 'red'
+        }),
+
+        ellipse: new Shape.Ellipse({
+            center: [100, 200],
+            radius: [50, 25],
+            fillColor: 'blue',
+            strokeColor: 'black',
+            strokeWidth: 4,
+            rotation: 20
+        }),
+
+        rect: new Shape.Rectangle({
+            center: [100, 300],
+            size: [100, 50],
+            fillColor: 'green',
+            strokeColor: 'black',
+            strokeWidth: 4,
+            rotation: -20
+        }),
+
+        roundRect: new Shape.Rectangle({
+            center: [100, 400],
+            size: [50, 100],
+            radius: [15, 20],
+            fillColor: 'orange',
+            strokeColor: 'black',
+            strokeWidth: 4,
+            rotation: 20
+        })
+    };
+
+    Base.each(shapes, function(shape, name) {
+        equals(shape, shape.toPath().toShape(), name + '.toPath().toShape()');
+    });
+});

test/tests/load.js

@@ -40,6 +40,8 @@
 /*#*/ include('Path_Intersections.js');
 /*#*/ include('Path_Boolean.js');
 
+/*#*/ include('Shape.js');
+
 /*#*/ include('Curve.js');
 /*#*/ include('CurveLocation.js');