rspec/rspec-core — pull request #1641 by myronmarston (2014-07-16 17:57:14+00:00)
Title: Remove /gems/ from default backtrace exclusion patterns.

As discussed in #1536 and #1554, the failure can often be in a gem.

We may add an additional gem filtering API later on but for
now I just want to try this on a few projects and see how the
experience is.