diff --git a/Library/Homebrew/.rubocop_todo.yml b/Library/Homebrew/.rubocop_todo.yml
index 9e48c6792f..3705170fdc 100644
--- a/Library/Homebrew/.rubocop_todo.yml
+++ b/Library/Homebrew/.rubocop_todo.yml
@@ -90,7 +90,7 @@ Style/ClassVars:
   Exclude:
     - 'dev-cmd/audit.rb'
     - 'formula_installer.rb'
-    - 'test/testing_env.rb'
+    - 'test/support/helper/fs_leak_logger.rb'
 
 # Offense count: 13
 # Configuration parameters: AllowedVariables.
diff --git a/Library/Homebrew/test/support/helper/fs_leak_logger.rb b/Library/Homebrew/test/support/helper/fs_leak_logger.rb
new file mode 100644
index 0000000000..f6a02dbc04
--- /dev/null
+++ b/Library/Homebrew/test/support/helper/fs_leak_logger.rb
@@ -0,0 +1,27 @@
+module Test
+  module Helper
+    module FSLeakLogger
+      def self.included(klass)
+        require "find"
+        logdir = HOMEBREW_LIBRARY_PATH.join("tmp")
+        logdir.mkdir unless logdir.directory?
+        @@log = File.open(logdir.join("fs_leak.log"), "w")
+        klass.make_my_diffs_pretty!
+      end
+
+      def before_setup
+        @__files_before_test = []
+        Find.find(TEST_TMPDIR) { |f| @__files_before_test << f.sub(TEST_TMPDIR, "") }
+        super
+      end
+
+      def after_teardown
+        super
+        files_after_test = []
+        Find.find(TEST_TMPDIR) { |f| files_after_test << f.sub(TEST_TMPDIR, "") }
+        return if @__files_before_test == files_after_test
+        @@log.puts location, diff(@__files_before_test, files_after_test)
+      end
+    end
+  end
+end
diff --git a/Library/Homebrew/test/support/helper/test_case.rb b/Library/Homebrew/test/support/helper/test_case.rb
new file mode 100644
index 0000000000..60c91e7bb3
--- /dev/null
+++ b/Library/Homebrew/test/support/helper/test_case.rb
@@ -0,0 +1,64 @@
+module Homebrew
+  class TestCase < ::Minitest::Test
+    require "test/support/helper/env"
+    require "test/support/helper/fs_leak_logger"
+    require "test/support/helper/shutup"
+    require "test/support/helper/version_assertions"
+    include Test::Helper::Env
+    include Test::Helper::FSLeakLogger
+    include Test::Helper::Shutup
+    include Test::Helper::VersionAssertions
+
+    TEST_SHA1   = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef".freeze
+    TEST_SHA256 = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef".freeze
+
+    def formula(name = "formula_name", path = Formulary.core_path(name), spec = :stable, alias_path: nil, &block)
+      @_f = Class.new(Formula, &block).new(name, path, spec, alias_path: alias_path)
+    end
+
+    def mktmpdir(prefix_suffix = nil, &block)
+      Dir.mktmpdir(prefix_suffix, HOMEBREW_TEMP, &block)
+    end
+
+    def needs_compat
+      skip "Requires compat/ code" if ENV["HOMEBREW_NO_COMPAT"]
+    end
+
+    def needs_python
+      skip "Requires Python" unless which("python")
+    end
+
+    def assert_nothing_raised
+      yield
+    end
+
+    def assert_eql(exp, act, msg = nil)
+      msg = message(msg, "") { diff exp, act }
+      assert exp.eql?(act), msg
+    end
+
+    def refute_eql(exp, act, msg = nil)
+      msg = message(msg) do
+        "Expected #{mu_pp(act)} to not be eql to #{mu_pp(exp)}"
+      end
+      refute exp.eql?(act), msg
+    end
+
+    def dylib_path(name)
+      Pathname.new("#{TEST_FIXTURE_DIR}/mach/#{name}.dylib")
+    end
+
+    def bundle_path(name)
+      Pathname.new("#{TEST_FIXTURE_DIR}/mach/#{name}.bundle")
+    end
+
+    # Use a stubbed {Formulary::FormulaLoader} to make a given formula be found
+    # when loading from {Formulary} with `ref`.
+    def stub_formula_loader(formula, ref = formula.full_name)
+      loader = mock
+      loader.stubs(:get_formula).returns(formula)
+      Formulary.stubs(:loader_for).with(ref, from: :keg).returns(loader)
+      Formulary.stubs(:loader_for).with(ref, from: nil).returns(loader)
+    end
+  end
+end
diff --git a/Library/Homebrew/test/support/helper/version_assertions.rb b/Library/Homebrew/test/support/helper/version_assertions.rb
new file mode 100644
index 0000000000..dc240d6434
--- /dev/null
+++ b/Library/Homebrew/test/support/helper/version_assertions.rb
@@ -0,0 +1,23 @@
+require "rubygems"
+
+module Test
+  module Helper
+    module VersionAssertions
+      def version(v)
+        Version.create(v)
+      end
+
+      def assert_version_equal(expected, actual)
+        assert_equal Version.create(expected), actual
+      end
+
+      def assert_version_detected(expected, url, specs = {})
+        assert_equal expected, Version.detect(url, specs).to_s
+      end
+
+      def assert_version_nil(url)
+        assert Version.parse(url).null?
+      end
+    end
+  end
+end
diff --git a/Library/Homebrew/test/testing_env.rb b/Library/Homebrew/test/testing_env.rb
index 76b943164b..be70b2fe77 100644
--- a/Library/Homebrew/test/testing_env.rb
+++ b/Library/Homebrew/test/testing_env.rb
@@ -10,7 +10,6 @@ require "formulary"
 %w[cache formula_cache locks cellar logs temp].each { |d| HOMEBREW_PREFIX.parent.join(d).mkpath }
 
 begin
-  require "rubygems"
   require "minitest/autorun"
   require "parallel_tests/test/runtime_logger"
   require "mocha/setup"
@@ -18,108 +17,4 @@ rescue LoadError
   abort "Run `bundle install` or install the mocha and minitest gems before running the tests"
 end
 
-module Homebrew
-  module VersionAssertions
-    def version(v)
-      Version.create(v)
-    end
-
-    def assert_version_equal(expected, actual)
-      assert_equal Version.create(expected), actual
-    end
-
-    def assert_version_detected(expected, url, specs = {})
-      assert_equal expected, Version.detect(url, specs).to_s
-    end
-
-    def assert_version_nil(url)
-      assert Version.parse(url).null?
-    end
-  end
-
-  module FSLeakLogger
-    def self.included(klass)
-      require "find"
-      logdir = HOMEBREW_LIBRARY_PATH.join("tmp")
-      logdir.mkdir unless logdir.directory?
-      @@log = File.open(logdir.join("fs_leak.log"), "w")
-      klass.make_my_diffs_pretty!
-    end
-
-    def before_setup
-      @__files_before_test = []
-      Find.find(TEST_TMPDIR) { |f| @__files_before_test << f.sub(TEST_TMPDIR, "") }
-      super
-    end
-
-    def after_teardown
-      super
-      files_after_test = []
-      Find.find(TEST_TMPDIR) { |f| files_after_test << f.sub(TEST_TMPDIR, "") }
-      return if @__files_before_test == files_after_test
-      @@log.puts location, diff(@__files_before_test, files_after_test)
-    end
-  end
-
-  class TestCase < ::Minitest::Test
-    require "test/support/helper/env"
-    require "test/support/helper/shutup"
-    include Test::Helper::Env
-    include Test::Helper::Shutup
-
-    include VersionAssertions
-    include FSLeakLogger
-
-    TEST_SHA1   = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef".freeze
-    TEST_SHA256 = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef".freeze
-
-    def formula(name = "formula_name", path = Formulary.core_path(name), spec = :stable, alias_path: nil, &block)
-      @_f = Class.new(Formula, &block).new(name, path, spec, alias_path: alias_path)
-    end
-
-    def mktmpdir(prefix_suffix = nil, &block)
-      Dir.mktmpdir(prefix_suffix, HOMEBREW_TEMP, &block)
-    end
-
-    def needs_compat
-      skip "Requires compat/ code" if ENV["HOMEBREW_NO_COMPAT"]
-    end
-
-    def needs_python
-      skip "Requires Python" unless which("python")
-    end
-
-    def assert_nothing_raised
-      yield
-    end
-
-    def assert_eql(exp, act, msg = nil)
-      msg = message(msg, "") { diff exp, act }
-      assert exp.eql?(act), msg
-    end
-
-    def refute_eql(exp, act, msg = nil)
-      msg = message(msg) do
-        "Expected #{mu_pp(act)} to not be eql to #{mu_pp(exp)}"
-      end
-      refute exp.eql?(act), msg
-    end
-
-    def dylib_path(name)
-      Pathname.new("#{TEST_FIXTURE_DIR}/mach/#{name}.dylib")
-    end
-
-    def bundle_path(name)
-      Pathname.new("#{TEST_FIXTURE_DIR}/mach/#{name}.bundle")
-    end
-
-    # Use a stubbed {Formulary::FormulaLoader} to make a given formula be found
-    # when loading from {Formulary} with `ref`.
-    def stub_formula_loader(formula, ref = formula.full_name)
-      loader = mock
-      loader.stubs(:get_formula).returns(formula)
-      Formulary.stubs(:loader_for).with(ref, from: :keg).returns(loader)
-      Formulary.stubs(:loader_for).with(ref, from: nil).returns(loader)
-    end
-  end
-end
+require "test/support/helper/test_case"