[test] skip test_context_ciphers on Java 6 + use capital DSA / RSA

Author: kares

src/test/ruby/dsa/test_dsa.rb

@@ -1,7 +1,7 @@
 # coding: US-ASCII
 require File.expand_path('../test_helper', File.dirname(__FILE__))
 
-class TestDsa < TestCase
+class TestDSA < TestCase
 
   def setup
     super

src/test/ruby/rsa/test_rsa.rb

@@ -1,7 +1,7 @@
 # coding: US-ASCII
 require File.expand_path('../test_helper', File.dirname(__FILE__))
 
-class TestRsa < TestCase
+class TestRSA < TestCase
 
   def setup
     super

src/test/ruby/ssl/test_context.rb

@@ -103,6 +103,8 @@ def test_context_set_ssl_version
   end
 
   def test_context_ciphers
+    return skip('on Java 6') if defined?(ENV_JAVA) && ENV_JAVA['java.version'] < '1.7'
+    
     context = OpenSSL::SSL::SSLContext.new
     context.ciphers = "ALL"