Followup for bug 587106. Update test to the new syntax. a=bustage

content/canvas/test/test_canvas.html

@@ -4017,7 +4017,7 @@ var canvas = document.getElementById('c140');
 var ctx = canvas.getContext('2d');
 
 ctx.fillStyle = 'rgba(0,0,0,0)';
-ok(ctx.fillStyle == 'rgba(0, 0, 0, 0.0)', "ctx.fillStyle == 'rgba(0, 0, 0, 0.0)'");
+is(ctx.fillStyle, 'rgba(0, 0, 0, 0)', "ctx.fillStyle should be what we set it to");
 
 
 }
@@ -15904,7 +15904,7 @@ var ctx = canvas.getContext('2d');
 ctx.shadowColor = 'lime';
 ok(ctx.shadowColor === '#00ff00', "ctx.shadowColor === '#00ff00'");
 ctx.shadowColor = 'RGBA(0,255, 0,0)';
-ok(ctx.shadowColor === 'rgba(0, 255, 0, 0.0)', "ctx.shadowColor === 'rgba(0, 255, 0, 0.0)'");
+is(ctx.shadowColor, 'rgba(0, 255, 0, 0)', "ctx.shadowColor should be what we set it to");
 
 
 }