Added test for AV.File#setACL

Author: killme2008

tests/file.js

@@ -6,6 +6,7 @@ describe("files", function() {
 			var base64 = "d29ya2luZyBhdCBhdm9zY2xvdWQgaXMgZ3JlYXQh";
 			var file = new AV.File("myfile.txt", { base64: base64 });
 			file.metaData('format', 'txt file');
+			file.setACL(new AV.ACL());
 			file.save().then(function(){
 				console.log(file.url());
 				console.log(file.id);