diff --git a/Library/Homebrew/test/test_formula.rb b/Library/Homebrew/test/test_formula.rb
index e8a8f7f3a5..eda6933fe5 100644
--- a/Library/Homebrew/test/test_formula.rb
+++ b/Library/Homebrew/test/test_formula.rb
@@ -2,8 +2,6 @@ require 'testing_env'
 require 'test/testball'
 
 class FormulaTests < Homebrew::TestCase
-  include VersionAssertions
-
   def test_formula_instantiation
     klass = Class.new(Formula) { url "http://example.com/foo-1.0.tar.gz" }
     name = "formula_name"
diff --git a/Library/Homebrew/test/test_resource.rb b/Library/Homebrew/test/test_resource.rb
index 3f60c33c18..03cb11c1be 100644
--- a/Library/Homebrew/test/test_resource.rb
+++ b/Library/Homebrew/test/test_resource.rb
@@ -2,8 +2,6 @@ require 'testing_env'
 require 'resource'
 
 class ResourceTests < Homebrew::TestCase
-  include VersionAssertions
-
   def setup
     @resource = Resource.new('test')
   end
diff --git a/Library/Homebrew/test/test_software_spec.rb b/Library/Homebrew/test/test_software_spec.rb
index 11b4ed11ec..669f7d5e5c 100644
--- a/Library/Homebrew/test/test_software_spec.rb
+++ b/Library/Homebrew/test/test_software_spec.rb
@@ -2,8 +2,6 @@ require 'testing_env'
 require 'software_spec'
 
 class SoftwareSpecTests < Homebrew::TestCase
-  include VersionAssertions
-
   def setup
     @spec = SoftwareSpec.new
   end
@@ -88,8 +86,6 @@ class SoftwareSpecTests < Homebrew::TestCase
 end
 
 class HeadSoftwareSpecTests < Homebrew::TestCase
-  include VersionAssertions
-
   def setup
     @spec = HeadSoftwareSpec.new
   end
diff --git a/Library/Homebrew/test/test_versions.rb b/Library/Homebrew/test/test_versions.rb
index 93abb87d26..f317237e3d 100644
--- a/Library/Homebrew/test/test_versions.rb
+++ b/Library/Homebrew/test/test_versions.rb
@@ -2,8 +2,6 @@ require 'testing_env'
 require 'version'
 
 class VersionTests < Homebrew::TestCase
-  include VersionAssertions
-
   def test_accepts_objects_responding_to_to_str
     value = stub(:to_str => '0.1')
     assert_equal '0.1', Version.new(value).to_s
@@ -29,8 +27,6 @@ class VersionTests < Homebrew::TestCase
 end
 
 class VersionComparisonTests < Homebrew::TestCase
-  include VersionAssertions
-
   def test_version_comparisons
     assert_operator version('0.1'), :==, version('0.1.0')
     assert_operator version('0.1'), :<, version('0.2')
@@ -96,8 +92,6 @@ class VersionComparisonTests < Homebrew::TestCase
 end
 
 class VersionParsingTests < Homebrew::TestCase
-  include VersionAssertions
-
   def test_pathname_version
     d = HOMEBREW_CELLAR/'foo-0.1.9'
     d.mkpath
diff --git a/Library/Homebrew/test/testing_env.rb b/Library/Homebrew/test/testing_env.rb
index 981be411d9..76e1b19f3f 100644
--- a/Library/Homebrew/test/testing_env.rb
+++ b/Library/Homebrew/test/testing_env.rb
@@ -56,23 +56,6 @@ at_exit { HOMEBREW_PREFIX.parent.rmtree }
 # Test fixtures and files can be found relative to this path
 TEST_DIRECTORY = File.dirname(File.expand_path(__FILE__))
 
-def shutup
-  if ARGV.verbose?
-    yield
-  else
-    begin
-      tmperr = $stderr.clone
-      tmpout = $stdout.clone
-      $stderr.reopen '/dev/null', 'w'
-      $stdout.reopen '/dev/null', 'w'
-      yield
-    ensure
-      $stderr.reopen tmperr
-      $stdout.reopen tmpout
-    end
-  end
-end
-
 require 'test/unit' # must be after at_exit
 require 'extend/ARGV' # needs to be after test/unit to avoid conflict with OptionsParser
 ARGV.extend(HomebrewArgvExtension)
@@ -84,28 +67,6 @@ rescue LoadError
   warn 'The mocha gem is required to run some tests, expect failures'
 end
 
-module VersionAssertions
-  def version v
-    Version.new(v)
-  end
-
-  def assert_version_equal expected, actual
-    assert_equal Version.new(expected), actual
-  end
-
-  def assert_version_detected expected, url
-    assert_equal expected, Version.parse(url).to_s
-  end
-
-  def assert_version_nil url
-    assert_nil Version.parse(url)
-  end
-
-  def assert_version_tokens tokens, version
-    assert_equal tokens, version.send(:tokens).map(&:to_s)
-  end
-end
-
 module Test::Unit::Assertions
   def assert_empty(obj, msg=nil)
     assert_respond_to(obj, :empty?, msg)
@@ -114,12 +75,50 @@ module Test::Unit::Assertions
 end
 
 module Homebrew
+  module VersionAssertions
+    def version v
+      Version.new(v)
+    end
+
+    def assert_version_equal expected, actual
+      assert_equal Version.new(expected), actual
+    end
+
+    def assert_version_detected expected, url
+      assert_equal expected, Version.parse(url).to_s
+    end
+
+    def assert_version_nil url
+      assert_nil Version.parse(url)
+    end
+
+    def assert_version_tokens tokens, version
+      assert_equal tokens, version.send(:tokens).map(&:to_s)
+    end
+  end
+
   class TestCase < ::Test::Unit::TestCase
+    include VersionAssertions
+
     TEST_SHA1   = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef".freeze
     TEST_SHA256 = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef".freeze
 
     def formula(name="formula_name", path=Formula.path(name), &block)
       @_f = Class.new(Formula, &block).new(name, path)
     end
+
+    def shutup
+      err = $stderr.clone
+      out = $stdout.clone
+
+      begin
+        $stderr.reopen("/dev/null", "w")
+        $stdout.reopen("/dev/null", "w")
+        yield
+      ensure
+        $stderr.reopen(err)
+        $stdout.reopen(out)
+      end
+    end
   end
 end