[test] eliminate custom Base64 patch for test

Author: kares

Gemfile

@@ -4,7 +4,10 @@ source 'https://rubygems.org'
 gemspec if defined? JRUBY_VERSION
 
 gem "rake", require: false
-gem 'mocha', '~> 1.4', '< 2.0'
 
-# NOTE: runit-maven-plugin will use it's own :
-gem 'test-unit'
+group :test do
+  gem 'base64', require: false
+  gem 'mocha', '~> 1.4', '< 2.0'
+  # NOTE: runit-maven-plugin will use it's own :
+  gem 'test-unit'
+end

src/test/ruby/ec/base64.rb

@@ -1,5 +1,6 @@
 # coding: US-ASCII
 require File.expand_path('../test_helper', File.dirname(__FILE__))
+require 'base64'
 
 class TestEC < TestCase
 
@@ -251,8 +252,6 @@ def test_random_point
     assert_equal point.to_octet_string(:uncompressed), point3.to_octet_string(:uncompressed)
   end
 
-  require File.expand_path('base64.rb', File.dirname(__FILE__))
-
   def test_encrypt
     p256dh = "BNFege3oh74znsDbVkGf5CRAtLVUHlo5NTU9-inepE_HpUBWUq3FP_dJR-WDORPvKL7fM_AKyfYch-nKY7kDOe0="
     group_name = 'prime256v1'