* test/runner.rb: remove dependency test-unit and minitest

from stdlib when running with test-all.
  [Feature #9711][ruby-core:61890]
* test/testunit/*.rb: ditto.
* test/lib: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45970 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/testunit/test_rake_integration.rb

@@ -18,6 +18,7 @@ class RakeIntegration < MiniTest::Unit::TestCase
       filename = File.join dir, 'testing.rb'
       File.open(filename, 'wb') do |f|
         f.write <<-eotest
+$LOAD_PATH.unshift "#{File.dirname(__FILE__)}/../lib"
 require 'test/unit'
 raise 'loaded twice' if defined?(FooTest)
 class FooTest; end