我使用codeship.io来测试我的Ruby on Rails应用程序。在第10步中，我收到以下错误。我应该在database.yml文件中进行哪些更改
rake aborted!
ActiveRecord::AdapterNotSpecified: database configuration does not specify adapter
/home/rof/cache/bundler/ruby/2.1.0/gems/activerecord-4.0.0/lib/active_record/connection_adapters/connection_specification.rb:52:in `resolve_hash_connection'
/home/rof/cache/bundler/ruby/2.1.0/gems/activerecord-4.0.0/lib/active_record/connection_adapters/connection_specification.rb:46:in `resolve_string_connection'
/home/rof/cache/bundler/ruby/2.1.0/gems/activerecord-4.0.0/lib/active_record/connection_adapters/connection_specification.rb:30:in `spec'
/home/rof/cache/bundler/ruby/2.1.0/gems/activerecord-4.0.0/lib/active_record/connection_handling.rb:39:in `establish_connection'
/home/rof/cache/bundler/ruby/2.1.0/gems/activerecord-4.0.0/lib/active_record/railtie.rb:175:in `block (2 levels) in <class:Railtie>'
/home/rof/cache/bundler/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/lazy_load_hooks.rb:38:in `instance_eval'
/home/rof/cache/bundler/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/lazy_load_hooks.rb:38:in `execute_hook'
/home/rof/cache/bundler/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/lazy_load_hooks.rb:28:in `block in on_load'
/home/rof/cache/bundler/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/lazy_load_hooks.rb:27:in `each'
/home/rof/cache/bundler/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/lazy_load_hooks.rb:27:in `on_load'
/home/rof/cache/bundler/ruby/2.1.0/gems/activerecord-4.0.0/lib/active_record/railtie.rb:173:in `block in <class:Railtie>'
/home/rof/cache/bundler/ruby/2.1.0/gems/railties-4.0.0/lib/rails/initializable.rb:30:in `instance_exec'
/home/rof/cache/bundler/ruby/2.1.0/gems/railties-4.0.0/lib/rails/initializable.rb:30:in `run'
/home/rof/cache/bundler/ruby/2.1.0/gems/railties-4.0.0/lib/rails/initializable.rb:55:in `block in run_initializers'
/home/rof/cache/bundler/ruby/2.1.0/gems/railties-4.0.0/lib/rails/initializable.rb:54:in `run_initializers'
/home/rof/cache/bundler/ruby/2.1.0/gems/railties-4.0.0/lib/rails/application.rb:215:in `initialize!'
/home/rof/cache/bundler/ruby/2.1.0/gems/railties-4.0.0/lib/rails/railtie/configurable.rb:30:in `method_missing'
/home/rof/src/bitbucket.org/rahulv/luckily-beta/config/environment.rb:5:in `<top (required)>'
/home/rof/cache/bundler/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
/home/rof/cache/bundler/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `block in require'
/home/rof/cache/bundler/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:213:in `load_dependency'
/home/rof/cache/bundler/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
/home/rof/cache/bundler/ruby/2.1.0/gems/railties-4.0.0/lib/rails/application.rb:189:in `require_environment!'
/home/rof/cache/bundler/ruby/2.1.0/gems/railties-4.0.0/lib/rails/application.rb:249:in `block in run_tasks_blocks'
Tasks: TOP => db:schema:load => environment
(See full trace by running task with --trace)
database.yml
development:
adapter: mysql2
database: test_database
username: test_user
password: password
host: localhost
pool: 5
timeout: 5000
production:
adapter: mysql2
database: test_database
username: test_user
password: password
host: localhost
pool: 5
timeout: 5000
test:
adapter: mysql2
database: test_database
username: test_user
password: password
host: localhost
pool: 5
timeout: 5000