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-rw-r--r--test/ruby/test_env.rb8
1 files changed, 4 insertions, 4 deletions
diff --git a/test/ruby/test_env.rb b/test/ruby/test_env.rb
index f0f36878da..c3af6f1bde 100644
--- a/test/ruby/test_env.rb
+++ b/test/ruby/test_env.rb
@@ -6,13 +6,13 @@ class TestEnv < Test::Unit::TestCase
def setup
@backup = ENV['test']
@BACKUP = ENV['TEST']
- ENV['test'] = nil
- ENV['TEST'] = nil
+ ENV.delete('test')
+ ENV.delete('TEST')
end
def teardown
- ENV['test'] = @backup
- ENV['TEST'] = @BACKUP
+ ENV['test'] = @backup if @backup
+ ENV['TEST'] = @BACKUP if @BACKUP
end
def test_bracket