small test unit improvements

- added a rotate test for me.Line, which also validate the call to the constructor with a list of object (as opposed to a list of Vector)
- fix wrong url for the utils unit when running through a browser

tests/index.html

@@ -49,6 +49,6 @@
         <script type="text/javascript" src="tests/spec/bitmapfontdata-spec.js"></script>
         <script type="text/javascript" src="tests/spec/input-spec.js"></script>
         <script type="text/javascript" src="tests/spec/camera-spec.js"></script>
-        <script type="text/javascript" src="tests/spec/utils.js"></script>
+        <script type="text/javascript" src="tests/spec/utils-spec.js"></script>
     </body>
 </html>

tests/spec/line-spec.js

@@ -39,15 +39,27 @@ describe("Shape : me.Line", function () {
             expect(line.containsPoint(14, 30)).toEqual(true);
         });
 
+        it("contains the point (60, -28) after rotating the line by -90 degrees", function () {
+            line.rotate(-Math.PI / 2);
+            expect(line.points[1].x).toBeCloseTo(60, 3);
+            // value is 27.99999996 after rotation
+            expect(line.points[1].y).toBeCloseTo(-28, 3);
+        });
+
+        it("does not contain the point (60, 28) after rotating back", function () {
+            line.rotate(Math.PI / 2);
+            expect(line.containsPoint(60, 28)).toEqual(false);
+        });
+
         it("contains the point (28, 60)", function () {
             expect(line.containsPoint(28, 60)).toEqual(true);
         });
 
-        it("does not contains the point (15, 30)", function () {
+        it("does not contain the point (15, 30)", function () {
             expect(line.containsPoint(15, 30)).toEqual(false);
         });
 
-        it("does not contains the point (29, 61)", function () {
+        it("does not contain the point (29, 61)", function () {
             expect(line.containsPoint(29, 61)).toEqual(false);
         });
 
@@ -66,4 +78,5 @@ describe("Shape : me.Line", function () {
             expect(boundingRect.pos.equals({x: 0, y: 0})).toEqual(true);
         });
     });
+
 });