diff --git a/test/collection.js b/test/collection.js
index 874cfa15..f7d3dd51 100644
--- a/test/collection.js
+++ b/test/collection.js
@@ -6,8 +6,12 @@ $(document).ready(function() {
   module("Backbone.Collection", {
 
     setup: function() {
-      Backbone.sync = function() {
-        lastRequest = _.toArray(arguments);
+      Backbone.sync = function(method, model, options) {
+        lastRequest = {
+          method: method,
+          model: model,
+          options: options
+        };
       };
     },
 
@@ -319,18 +323,18 @@ $(document).ready(function() {
 
   test("Collection: fetch", function() {
     col.fetch();
-    equal(lastRequest[0], 'read');
-    equal(lastRequest[1], col);
-    equal(lastRequest[2].parse, true);
+    equal(lastRequest.method, 'read');
+    equal(lastRequest.model, col);
+    equal(lastRequest.options.parse, true);
 
     col.fetch({parse: false});
-    equal(lastRequest[2].parse, false);
+    equal(lastRequest.options.parse, false);
   });
 
   test("Collection: create", function() {
     var model = col.create({label: 'f'}, {wait: true});
-    equal(lastRequest[0], 'create');
-    equal(lastRequest[1], model);
+    equal(lastRequest.method, 'create');
+    equal(lastRequest.model, model);
     equal(model.get('label'), 'f');
     equal(model.collection, col);
   });
diff --git a/test/model.js b/test/model.js
index 30f66e68..41fd6cd2 100644
--- a/test/model.js
+++ b/test/model.js
@@ -11,8 +11,12 @@ $(document).ready(function() {
   module("Backbone.Model", {
 
     setup: function() {
-      Backbone.sync = function() {
-        lastRequest = _.toArray(arguments);
+      Backbone.sync = function(method, model, options) {
+        lastRequest = {
+          method: method,
+          model: model,
+          options: options
+        };
         sync.apply(this, arguments);
       };
       $.ajax = function(params) { ajaxParams = params; };
@@ -323,7 +327,7 @@ $(document).ready(function() {
     var model = new Backbone.Model({firstName : "Taylor", lastName: "Swift"});
     model.on('change', function () {
       model.save();
-      ok(_.isEqual(lastRequest[1], model));
+      ok(_.isEqual(lastRequest.model, model));
     });
     model.set({lastName: 'Hicks'});
   });
@@ -357,8 +361,8 @@ $(document).ready(function() {
 
   test("Model: save", function() {
     doc.save({title : "Henry V"});
-    equal(lastRequest[0], 'update');
-    ok(_.isEqual(lastRequest[1], doc));
+    equal(lastRequest.method, 'update');
+    ok(_.isEqual(lastRequest.model, doc));
   });
 
   test("Model: save in positional style", function() {
@@ -372,14 +376,14 @@ $(document).ready(function() {
 
   test("Model: fetch", function() {
     doc.fetch();
-    equal(lastRequest[0], 'read');
-    ok(_.isEqual(lastRequest[1], doc));
+    equal(lastRequest.method, 'read');
+    ok(_.isEqual(lastRequest.model, doc));
   });
 
   test("Model: destroy", function() {
     doc.destroy();
-    equal(lastRequest[0], 'delete');
-    ok(_.isEqual(lastRequest[1], doc));
+    equal(lastRequest.method, 'delete');
+    ok(_.isEqual(lastRequest.model, doc));
   });
 
   test("Model: non-persisted destroy", function() {
@@ -598,7 +602,7 @@ $(document).ready(function() {
   test("save with `wait` succeeds without `validate`", function() {
     var model = new Backbone.Model();
     model.save({x: 1}, {wait: true});
-    ok(lastRequest[1] === model);
+    ok(lastRequest.model === model);
   });
 
   test("`hasChanged` for falsey keys", function() {
@@ -623,7 +627,7 @@ $(document).ready(function() {
     deepEqual(JSON.parse(ajaxParams.data), {x: 3, y: 2});
     equal(model.get('x'), 1);
     equal(changed, 0);
-    lastRequest[2].success({});
+    lastRequest.options.success({});
     equal(model.get('x'), 3);
     equal(changed, 1);
   });
diff --git a/test/setdomlibrary.js b/test/setdomlibrary.js
index b957e426..b9efe504 100644
--- a/test/setdomlibrary.js
+++ b/test/setdomlibrary.js
@@ -1,4 +1,4 @@
-$(document).ready(function() {
+$(document).ready(function(jQuery) {
 
   // a mock object that looks sufficiently jQuery-ish
   var myLib = function() {
@@ -11,19 +11,20 @@ $(document).ready(function() {
 
   var viewAttrs = { id: 'test-setdomlibrary', className: 'test-setdomlibrary' }
 
-  module("Backbone.setDomLibrary");
+  module("Backbone.setDomLibrary", {
+
+    teardown: function() {
+      Backbone.setDomLibrary(jQuery);
+    }
+
+  });
 
   test('Changing jQuery library to custom library', function() {
     Backbone.setDomLibrary(myLib);
     var view = new Backbone.View(viewAttrs);
-
     ok(view.$el.hasClass('test-setdomlibrary') === 'spam');
-  });
-
-  test('Changing jQuery library back to global jQuery', function() {
     Backbone.setDomLibrary(jQuery);
     var view = new Backbone.View(viewAttrs);
-
     ok(view.$el.hasClass('test-setdomlibrary'));
   });