1 files changed, 2 insertions, 10 deletions
diff --git a/Library/Homebrew/test/testing_env.rb b/Library/Homebrew/test/testing_env.rb
index 02264aa39..5f98ace15 100644
--- a/Library/Homebrew/test/testing_env.rb
+++ b/Library/Homebrew/test/testing_env.rb
@@ -63,7 +63,9 @@ module Homebrew
   end
 
   class TestCase < ::Minitest::Test
+    require "test/helper/env"
     require "test/helper/shutup"
+    include Test::Helper::Env
     include Test::Helper::Shutup
 
     include VersionAssertions
@@ -112,16 +114,6 @@ module Homebrew
       Pathname.new("#{TEST_DIRECTORY}/mach/#{name}.bundle")
     end
 
-    def with_environment(partial_env)
-      old = ENV.to_hash
-      ENV.update partial_env
-      begin
-        yield
-      ensure
-        ENV.replace old
-      end
-    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)