Ruby 1.9.2 compat: name method was renamed to __name__ since MiniTest 1.4.x [#2922 state:resolved]

Signed-off-by: NYehuda Katz <wycats@gmail.com>

activesupport/lib/active_support/test_case.rb

@@ -19,7 +19,8 @@ module ActiveSupport
   class TestCase < ::Test::Unit::TestCase
     if defined? MiniTest
       Assertion = MiniTest::Assertion
-      alias_method :method_name, :name
+      alias_method :method_name, :name if method_defined? :name
+      alias_method :method_name, :__name__ if method_defined? :__name__
     else
       # TODO: Figure out how to get the Rails::BacktraceFilter into minitest/unit
       if defined?(Rails) && ENV['BACKTRACE'].nil?