* lib/rubygems: Update to RubyGems master commit 2a74263. This fixes

several bugs in RubyGems 2.2.0.preview.1.

* test/rubygems:  ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43298 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/rubygems/test_gem_source_fetch_problem.rb

@@ -0,0 +1,19 @@
+require 'rubygems/test_case'
+
+class TestGemSourceFetchProblem < Gem::TestCase
+
+  def test_exception
+    source = Gem::Source.new @gem_repo
+    error  = RuntimeError.new 'test'
+
+    sf = Gem::SourceFetchProblem.new source, error
+
+    e = assert_raises RuntimeError do
+      raise sf
+    end
+
+    assert_equal 'test', e.message
+  end
+
+end
+