semaphore-ci-steps-with-parrallel-spec

# semaphore:

old steps:

export RAILS_ENV=test
bundle install --deployment --path vendor/bundle
bundle exec rake db:create
bundle exec rake db:setup
bundle exec rake db:test:prepare
bundle exec rake spec
bundle exec rubocop

new steps:

export RAILS_ENV=test
bundle install --deployment --path vendor/bundle
bundle exec rake semaphore:prepare_db_config
bundle exec rake parallel:drop parallel:create parallel:load_schema
bundle exec rake parallel:spec
bundle exec rubocop