refactor load error rescue to the openssl util file

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30176 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/openssl/test_asn1.rb

@@ -1,9 +1,4 @@
-begin
-  require "openssl"
 require_relative 'utils'
-rescue LoadError
-end
-require 'test/unit'
 
 class  OpenSSL::TestASN1 < Test::Unit::TestCase
   def test_decode

test/openssl/test_bn.rb

@@ -1,9 +1,5 @@
-begin
+require_relative 'utils'
-  require "openssl"
-rescue LoadError
-end
 require "digest/md5"
-require "test/unit"
 
 if defined?(OpenSSL)
 

test/openssl/test_cipher.rb

@@ -1,8 +1,4 @@
-begin
+require_relative 'utils'
-  require "openssl"
-rescue LoadError
-end
-require "test/unit"
 
 if defined?(OpenSSL)
 

test/openssl/test_pair.rb

@@ -1,8 +1,4 @@
-begin
+require_relative 'utils'
-  require "openssl"
-rescue LoadError
-end
-require 'test/unit'
 
 if defined?(OpenSSL)
 

test/openssl/utils.rb

@@ -1,4 +1,7 @@
+begin
   require "openssl"
+rescue LoadError
+end
 require "test/unit"
 
 module OpenSSL::TestUtils
@@ -141,4 +144,4 @@ Q1VB8qkJN7rA7/2HrCR3gTsWNb1YhAsnFsoeRscC+LxXoXi9OAIUBG98h4tilg6S
       $VERBOSE = back
     end
   end
-end
+end if defined?(OpenSSL)