skip old OpenSSL

* test/open-uri/test_ssl.rb, test/webrick/test_httpproxy.rb: also
  depends on test/openssl/utils.rb.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48825 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/open-uri/test_ssl.rb

@@ -170,8 +170,9 @@ class TestOpenURISSL
     }
   end
 
-end if defined?(OpenSSL)
+end if defined?(OpenSSL::TestUtils)
 
+if defined?(OpenSSL::TestUtils)
 # mkdir demoCA demoCA/private demoCA/newcerts
 # touch demoCA/index.txt
 # echo 00 > demoCA/serial
@@ -385,3 +386,5 @@ TIvZKDovHJ3UV163xaECQEVQR2ZW6SHZQA6vP/IFd6vnCECXiCpRs36GsLIDLm02
 P0ZCl31aopNsBcKLiy2v1X116XDwLSHjuc9NmsSX4nk=
 -----END RSA PRIVATE KEY-----
 End
+
+end

test/webrick/test_httpproxy.rb

@@ -123,7 +123,7 @@ class TestWEBrickHTTPProxy < Test::Unit::TestCase
       nil, nil, OpenSSL::Digest::SHA1.new
     )
     return cert
-  end
+  end if defined?(OpenSSL::TestUtils)
 
   def test_connect
     # Testing CONNECT to proxy server
@@ -172,7 +172,7 @@ class TestWEBrickHTTPProxy < Test::Unit::TestCase
         }
       }
     }
-  end if defined?(OpenSSL)
+  end if defined?(OpenSSL::TestUtils)
 
   def test_upstream_proxy
     # Testing GET or POST through the upstream proxy server
@@ -240,7 +240,7 @@ class TestWEBrickHTTPProxy < Test::Unit::TestCase
         assert_equal(3, proxy_handler_called, up_log.call + log.call)
         assert_equal(3, request_handler_called, up_log.call + log.call)
 
-        if defined?(OpenSSL)
+        if defined?(OpenSSL::TestUtils)
           # Testing CONNECT to the upstream proxy server
           #
           #  client -------> proxy -------> proxy -------> https