If you've got pending migrations, tells you why all your tests/specs failed.

.autotest

# If you've got pending migrations, tells you why all your tests/specs failed.
module Autotest::Migrations
  Autotest.add_hook :ran_command do |autotest|
    if autotest.class.name =~ /Rails/
      system "rake db:abort_if_pending_migrations"
    end
  end
end