* test/ruby/envutil.rb (EnvUtil#invoke_ruby): show Timeout::Error
  instead of IOError if the timeout has expired.

* test/test_pstore.rb
  (PStoreTest#test_pstore_files_are_accessed_as_binary_files):
  increase timeout because this test is slow on Windows.
  [ruby-core:47402] [Bug #6965]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36900 b2dd03c8-39d4-4d8f-98ff-823fe69b080e