class RSpec::Core::Runner

def run_specs(example_groups)
  @configuration.reporter.report(@world.example_count(example_groups)) do |reporter|
    begin
      hook_context = SuiteHookContext.new
      @configuration.hooks.run(:before, :suite, hook_context)
      example_groups.map { |g| g.run(reporter) }.all? ? 0 : @configuration.failure_exit_code
    ensure
      @configuration.hooks.run(:after, :suite, hook_context)
    end
  end
end