diff --git a/lib/mocha/mockery.rb b/lib/mocha/mockery.rb
index c9c53c329..590e9f21c 100644
--- a/lib/mocha/mockery.rb
+++ b/lib/mocha/mockery.rb
@@ -71,7 +71,7 @@ def unnamed_mock
     end
 
     def mock_impersonating(object)
-      add_mock(Mock.new(self, ImpersonatingName.new(object), ObjectReceiver.new(object)))
+      add_mock(Mock.new(self, ImpersonatingInstanceName.new(object), InstanceReceiver.new(object)))
     end
 
     def mock_impersonating_any_instance_of(klass)
diff --git a/lib/mocha/names.rb b/lib/mocha/names.rb
index 2a6990f55..c78eadcdf 100644
--- a/lib/mocha/names.rb
+++ b/lib/mocha/names.rb
@@ -1,5 +1,5 @@
 module Mocha
-  class ImpersonatingName
+  class ImpersonatingInstanceName
     def initialize(object)
       @object = object
     end
diff --git a/lib/mocha/receivers.rb b/lib/mocha/receivers.rb
index f98e2781d..9e822f57d 100644
--- a/lib/mocha/receivers.rb
+++ b/lib/mocha/receivers.rb
@@ -1,5 +1,5 @@
 module Mocha
-  class ObjectReceiver
+  class StubbedReceiver
     def initialize(object)
       @object = object
     end
@@ -8,7 +8,7 @@ def mocks
       object = @object
       mocks = []
       while object
-        mocha = object.mocha(false)
+        mocha = stubbee(object).mocha(false)
         mocks << mocha if mocha
         object = object.is_a?(Class) ? object.superclass : nil
       end
@@ -16,20 +16,15 @@ def mocks
     end
   end
 
-  class AnyInstanceReceiver
-    def initialize(klass)
-      @klass = klass
+  class InstanceReceiver < StubbedReceiver
+    def stubbee(object)
+      object
     end
+  end
 
-    def mocks
-      klass = @klass
-      mocks = []
-      while klass
-        mocha = klass.any_instance.mocha(false)
-        mocks << mocha if mocha
-        klass = klass.superclass
-      end
-      mocks
+  class AnyInstanceReceiver < StubbedReceiver
+    def stubbee(klass)
+      klass.any_instance
     end
   end
 
diff --git a/test/acceptance/mocha_example_test.rb b/test/acceptance/mocha_example_test.rb
index cab8667a8..257b0e294 100644
--- a/test/acceptance/mocha_example_test.rb
+++ b/test/acceptance/mocha_example_test.rb
@@ -1,6 +1,16 @@
-require File.expand_path('../../test_helper', __FILE__)
+require File.expand_path('../acceptance_test_helper', __FILE__)
 
 class MochaExampleTest < Mocha::TestCase
+  include AcceptanceTest
+
+  def setup
+    setup_acceptance_test
+  end
+
+  def teardown
+    teardown_acceptance_test
+  end
+
   class Rover
     def initialize(left_track, right_track, steps_per_metre, steps_per_degree)
       @left_track = left_track
diff --git a/test/acceptance/stubba_example_test.rb b/test/acceptance/stubba_example_test.rb
index 23ad39957..b84ab62e4 100644
--- a/test/acceptance/stubba_example_test.rb
+++ b/test/acceptance/stubba_example_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../test_helper', __FILE__)
+require File.expand_path('../acceptance_test_helper', __FILE__)
 
 class Widget
   def model
@@ -23,6 +23,16 @@ def self.wotsit
 end
 
 class StubbaExampleTest < Mocha::TestCase
+  include AcceptanceTest
+
+  def setup
+    setup_acceptance_test
+  end
+
+  def teardown
+    teardown_acceptance_test
+  end
+
   def test_should_stub_instance_method
     widget = Widget.new
     widget.expects(:model).returns('different_model')
diff --git a/test/unit/object_methods_test.rb b/test/unit/object_methods_test.rb
index 13b603a07..0b1151b7a 100644
--- a/test/unit/object_methods_test.rb
+++ b/test/unit/object_methods_test.rb
@@ -19,7 +19,7 @@ def test_should_build_mocha_referring_to_self
     mocha = @object.mocha
     assert_not_nil mocha
     assert mocha.is_a?(Mocha::Mock)
-    expected_name = Mocha::ImpersonatingName.new(@object).mocha_inspect
+    expected_name = Mocha::ImpersonatingInstanceName.new(@object).mocha_inspect
     assert_equal expected_name, mocha.mocha_inspect
   end
 
diff --git a/test/unit/receivers_test.rb b/test/unit/receivers_test.rb
index 6b03e5c11..1ab651073 100644
--- a/test/unit/receivers_test.rb
+++ b/test/unit/receivers_test.rb
@@ -1,11 +1,21 @@
 require File.expand_path('../../test_helper', __FILE__)
 require 'mocha/receivers'
+module ReceiversTest
+  class FakeClass
+    class AnyInstance
+      def initialize(mocha)
+        @mocha = mocha
+      end
 
-class ObjectReceiverTest < Mocha::TestCase
-  include Mocha
+      def mocha(_instantiate)
+        @mocha
+      end
+    end
 
-  class FakeObject
-    def initialize(mocha)
+    attr_reader :superclass
+
+    def initialize(superclass, mocha)
+      @superclass = superclass
       @mocha = mocha
     end
 
@@ -13,16 +23,22 @@ def mocha(_instantiate)
       @mocha
     end
 
+    def any_instance
+      AnyInstance.new(@mocha)
+    end
+
     def is_a?(_klass)
-      false
+      true
     end
   end
+end
 
-  class FakeClass
-    attr_reader :superclass
+class InstanceReceiverTest < Mocha::TestCase
+  include Mocha
+  include ReceiversTest
 
-    def initialize(superclass, mocha)
-      @superclass = superclass
+  class FakeObject
+    def initialize(mocha)
       @mocha = mocha
     end
 
@@ -30,14 +46,14 @@ def mocha(_instantiate)
       @mocha
     end
 
-    def is_a?(klass)
-      klass == Class
+    def is_a?(_klass)
+      false
     end
   end
 
   def test_mocks_returns_mock_for_object
     object = FakeObject.new(:mocha)
-    receiver = ObjectReceiver.new(object)
+    receiver = InstanceReceiver.new(object)
     assert_equal [:mocha], receiver.mocks
   end
 
@@ -45,41 +61,19 @@ def test_mocks_returns_mocks_for_class_and_its_superclasses
     grandparent = FakeClass.new(nil, :grandparent_mocha)
     parent = FakeClass.new(grandparent, :parent_mocha)
     klass = FakeClass.new(parent, :mocha)
-    receiver = ObjectReceiver.new(klass)
+    receiver = InstanceReceiver.new(klass)
     assert_equal [:mocha, :parent_mocha, :grandparent_mocha], receiver.mocks
   end
 end
 
 class AnyInstanceReceiverTest < Mocha::TestCase
   include Mocha
-
-  class FakeAnyInstanceClass
-    class AnyInstance
-      def initialize(mocha)
-        @mocha = mocha
-      end
-
-      def mocha(_instantiate)
-        @mocha
-      end
-    end
-
-    attr_reader :superclass
-
-    def initialize(superclass, mocha)
-      @superclass = superclass
-      @mocha = mocha
-    end
-
-    def any_instance
-      AnyInstance.new(@mocha)
-    end
-  end
+  include ReceiversTest
 
   def test_mocks_returns_mocks_for_class_and_its_superclasses
-    grandparent = FakeAnyInstanceClass.new(nil, :grandparent_mocha)
-    parent = FakeAnyInstanceClass.new(grandparent, :parent_mocha)
-    klass = FakeAnyInstanceClass.new(parent, :mocha)
+    grandparent = FakeClass.new(nil, :grandparent_mocha)
+    parent = FakeClass.new(grandparent, :parent_mocha)
+    klass = FakeClass.new(parent, :mocha)
     receiver = AnyInstanceReceiver.new(klass)
     assert_equal [:mocha, :parent_mocha, :grandparent_mocha], receiver.mocks
   end