database.yml that's not working

gistfile1.yml

#   gem install sqlite3
#
#   Ensure the SQLite 3 gem is defined in your Gemfile
#   gem 'sqlite3'
#legacy:
#  adapter: mysql2
#  database: Sofab_DW
#  user: coll02sa
#  password: hbZhGM1uvV7toebV
#  host: localhost
#  pool: 5
#  timeout: 5000

development:
  adapter: mysql2
  database: bias_development
  user: <my user>
  password: <my password>
  host: localhost
  port: 3306
  #socket: /var/run/mysqld/mysqld.sock
  pool: 5
  timeout: 5000

test:
  adapter: mysql2
  database: bias_test
  user: <my user>
  password: <my password>
  host: localhost
  port: 3306
  #socket: /var/run/mysqld/mysqld.sock
  pool: 5
  timeout: 5000

production:
  adapter: mysql2
  database: bias
  user: <my user>
  password: <my password>
  host: localhost
  port: 3306
  #socket: /var/run/mysqld/mysqld.sock
  pool: 5
  timeout: 5000