kucaahbe/rspec-html-matchers — pull request #26 by Empact (2013-07-30 23:31:38+00:00)
Title: Test for Capybara::Session definition, rather than Capybara

as Capybara can be defined even when Capbybara::Session is not, in
which case we get:

NameError:
uninitialized constant Capybara::Session
/rspec-html-matchers-0.4.3/lib/rspec-html-matchers.rb:97:in `matches?'