diff --git a/activesupport/test/xml_mini/jdom_engine_test.rb b/activesupport/test/xml_mini/jdom_engine_test.rb
index 816d57972c4fa1039344df424cf1eab64840b47e..66b15aed4a5c2973286484b5261418ce4d3dcd5b 100644
--- a/activesupport/test/xml_mini/jdom_engine_test.rb
+++ b/activesupport/test/xml_mini/jdom_engine_test.rb
@@ -4,17 +4,15 @@
   require "active_support/core_ext/hash/conversions"
 
   class JDOMEngineTest < ActiveSupport::TestCase
-    include ActiveSupport
-
     FILES_DIR = File.dirname(__FILE__) + "/../fixtures/xml"
 
     def setup
-      @default_backend = XmlMini.backend
-      XmlMini.backend = "JDOM"
+      @default_backend = ActiveSupport::XmlMini.backend
+      ActiveSupport::XmlMini.backend = "JDOM"
     end
 
     def teardown
-      XmlMini.backend = @default_backend
+      ActiveSupport::XmlMini.backend = @default_backend
     end
 
     def test_file_from_xml
@@ -84,13 +82,13 @@ def test_exception_thrown_on_expansion_attack
     end
 
     def test_setting_JDOM_as_backend
-      XmlMini.backend = "JDOM"
-      assert_equal XmlMini_JDOM, XmlMini.backend
+      ActiveSupport::XmlMini.backend = "JDOM"
+      assert_equal ActiveSupport::XmlMini_JDOM, ActiveSupport::XmlMini.backend
     end
 
     def test_blank_returns_empty_hash
-      assert_equal({}, XmlMini.parse(nil))
-      assert_equal({}, XmlMini.parse(""))
+      assert_equal({}, ActiveSupport::XmlMini.parse(nil))
+      assert_equal({}, ActiveSupport::XmlMini.parse(""))
     end
 
     def test_array_type_makes_an_array
@@ -175,8 +173,8 @@ def test_children_with_non_adjacent_text
 
     private
       def assert_equal_rexml(xml)
-        parsed_xml = XmlMini.parse(xml)
-        hash = XmlMini.with_backend("REXML") { XmlMini.parse(xml) }
+        parsed_xml = ActiveSupport::XmlMini.parse(xml)
+        hash = ActiveSupport::XmlMini.with_backend("REXML") { ActiveSupport::XmlMini.parse(xml) }
         assert_equal(hash, parsed_xml)
       end
   end
diff --git a/activesupport/test/xml_mini/libxml_engine_test.rb b/activesupport/test/xml_mini/libxml_engine_test.rb
index 81b0d3c407b49e54483e96ea6fb1b2e708fa45fa..ae3a5562e0fa38a3a3a4520d857244d4ed59b88c 100644
--- a/activesupport/test/xml_mini/libxml_engine_test.rb
+++ b/activesupport/test/xml_mini/libxml_engine_test.rb
@@ -8,17 +8,15 @@
   require "active_support/core_ext/hash/conversions"
 
   class LibxmlEngineTest < ActiveSupport::TestCase
-    include ActiveSupport
-
     def setup
-      @default_backend = XmlMini.backend
-      XmlMini.backend = "LibXML"
+      @default_backend = ActiveSupport::XmlMini.backend
+      ActiveSupport::XmlMini.backend = "LibXML"
 
       LibXML::XML::Error.set_handler(&lambda { |error| }) #silence libxml, exceptions will do
     end
 
     def teardown
-      XmlMini.backend = @default_backend
+      ActiveSupport::XmlMini.backend = @default_backend
     end
 
     def test_exception_thrown_on_expansion_attack
@@ -42,13 +40,13 @@ def test_exception_thrown_on_expansion_attack
     end
 
     def test_setting_libxml_as_backend
-      XmlMini.backend = "LibXML"
-      assert_equal XmlMini_LibXML, XmlMini.backend
+      ActiveSupport::XmlMini.backend = "LibXML"
+      assert_equal ActiveSupport::XmlMini_LibXML, ActiveSupport::XmlMini.backend
     end
 
     def test_blank_returns_empty_hash
-      assert_equal({}, XmlMini.parse(nil))
-      assert_equal({}, XmlMini.parse(""))
+      assert_equal({}, ActiveSupport::XmlMini.parse(nil))
+      assert_equal({}, ActiveSupport::XmlMini.parse(""))
     end
 
     def test_array_type_makes_an_array
@@ -193,9 +191,9 @@ def test_children_with_blank_text_and_attribute
 
     private
       def assert_equal_rexml(xml)
-        parsed_xml = XmlMini.parse(xml)
+        parsed_xml = ActiveSupport::XmlMini.parse(xml)
         xml.rewind if xml.respond_to?(:rewind)
-        hash = XmlMini.with_backend("REXML") { XmlMini.parse(xml) }
+        hash = ActiveSupport::XmlMini.with_backend("REXML") { ActiveSupport::XmlMini.parse(xml) }
         assert_equal(hash, parsed_xml)
       end
   end
diff --git a/activesupport/test/xml_mini/libxmlsax_engine_test.rb b/activesupport/test/xml_mini/libxmlsax_engine_test.rb
index e25fa2813c3609e552a12aed787d6ff7c7246125..f52afd273e3e2a6aec9eeda2d834f4648068f1f3 100644
--- a/activesupport/test/xml_mini/libxmlsax_engine_test.rb
+++ b/activesupport/test/xml_mini/libxmlsax_engine_test.rb
@@ -8,15 +8,13 @@
   require "active_support/core_ext/hash/conversions"
 
   class LibXMLSAXEngineTest < ActiveSupport::TestCase
-    include ActiveSupport
-
     def setup
-      @default_backend = XmlMini.backend
-      XmlMini.backend = "LibXMLSAX"
+      @default_backend = ActiveSupport::XmlMini.backend
+      ActiveSupport::XmlMini.backend = "LibXMLSAX"
     end
 
     def teardown
-      XmlMini.backend = @default_backend
+      ActiveSupport::XmlMini.backend = @default_backend
     end
 
     def test_exception_thrown_on_expansion_attack
@@ -42,13 +40,13 @@ def test_exception_thrown_on_expansion_attack
     end
 
     def test_setting_libxml_as_backend
-      XmlMini.backend = "LibXMLSAX"
-      assert_equal XmlMini_LibXMLSAX, XmlMini.backend
+      ActiveSupport::XmlMini.backend = "LibXMLSAX"
+      assert_equal ActiveSupport::XmlMini_LibXMLSAX, ActiveSupport::XmlMini.backend
     end
 
     def test_blank_returns_empty_hash
-      assert_equal({}, XmlMini.parse(nil))
-      assert_equal({}, XmlMini.parse(""))
+      assert_equal({}, ActiveSupport::XmlMini.parse(nil))
+      assert_equal({}, ActiveSupport::XmlMini.parse(""))
     end
 
     def test_array_type_makes_an_array
@@ -185,9 +183,9 @@ def test_children_with_blank_text
 
     private
       def assert_equal_rexml(xml)
-        parsed_xml = XmlMini.parse(xml)
+        parsed_xml = ActiveSupport::XmlMini.parse(xml)
         xml.rewind if xml.respond_to?(:rewind)
-        hash = XmlMini.with_backend("REXML") { XmlMini.parse(xml) }
+        hash = ActiveSupport::XmlMini.with_backend("REXML") { ActiveSupport::XmlMini.parse(xml) }
         assert_equal(hash, parsed_xml)
       end
   end