tests: remove env helper

2 files changed, 2 insertions, 25 deletions

diff --git a/Library/Homebrew/test/support/helper/env.rb b/Library/Homebrew/test/support/helper/env.rb
deleted file mode 100644
index 88b25e237..000000000
--- a/Library/Homebrew/test/support/helper/env.rb
+++ /dev/null
@@ -1,21 +0,0 @@
-module Test
-  module Helper
-    module Env
-      def copy_env
-        ENV.to_hash
-      end
-
-      def restore_env(env)
-        ENV.replace(env)
-      end
-
-      def with_environment(partial_env)
-        old = copy_env
-        ENV.update partial_env
-        yield
-      ensure
-        restore_env old
-      end
-    end
-  end
-end
diff --git a/Library/Homebrew/test/support/helper/test_case.rb b/Library/Homebrew/test/support/helper/test_case.rb
index 801fa08c7..ab97ef758 100644
--- a/Library/Homebrew/test/support/helper/test_case.rb
+++ b/Library/Homebrew/test/support/helper/test_case.rb
@@ -1,11 +1,9 @@
 module Homebrew
   class TestCase < ::Minitest::Test
-    require "test/support/helper/env"
     require "test/support/helper/fs_leak_logger"
     require "test/support/helper/lifecycle_enforcer"
     require "test/support/helper/shutup"
     require "test/support/helper/version_assertions"
-    include Test::Helper::Env
     include Test::Helper::FSLeakLogger
     include Test::Helper::LifecycleEnforcer
     include Test::Helper::Shutup
@@ -18,12 +16,12 @@ module Homebrew
       super
 
       @__argv = ARGV.dup
-      @__env = copy_env
+      @__env = ENV.to_hash # dup doesn't work on ENV
     end
 
     def teardown
       ARGV.replace(@__argv)
-      restore_env @__env
+      ENV.replace(@__env)
 
       Tab.clear_cache