Allow tests to run on travis.

Rakefile

@@ -1,5 +1,11 @@
-# Add your own tasks in files placed in lib/tasks ending in .rake,
-# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
+# Ensure that the database has *a* config.
+unless File.exist?(db_yml = File.expand_path('../config/database.yml', __FILE__))
+  require 'fileutils'
+  FileUtils.cp "#{db_yml}.sqlite3", db_yml
+  puts "Copied #{db_yml}.sqlite3 to #{db_yml}"
+  puts "Migrating..."
+  puts `bundle exec rake -f #{__FILE__} db:migrate`
+end
 
 require File.expand_path('../config/application', __FILE__)
 require 'rake'