Required files
rspec/core/deprecation
rspec/core/backward_compatibility
rspec/matchers
test/unit/assertionfailederror
rspec/rails/matchers/render_template
rspec/rails/matchers/redirect_to
rspec/rails/matchers/routing_matchers
rspec/rails/matchers/be_a_new
rspec/rails/matchers/have_extension