test/openssl/test_x509cert.rb: Prevent "unused variable" warning

mame · rhenium · commit 74731d9406eb · 2021-07-19T11:16:23.000+09:00
(cherry picked from commit ruby/ruby@ab2bd3f)
diff --git a/test/openssl/test_x509cert.rb b/test/openssl/test_x509cert.rb
@@ -316,7 +316,7 @@ def test_load_file_fullchain_garbage
     fullchain_path = Fixtures.file_path("pkey", "garbage.txt")
 
     assert_raise(OpenSSL::X509::CertificateError) do
-      certificates = OpenSSL::X509::Certificate.load_file(fullchain_path)
+      OpenSSL::X509::Certificate.load_file(fullchain_path)
     end
   end
 
