Try this approach for creating the db ourselves

Rakefile

@@ -3,4 +3,17 @@ task :test do
   exec "cd invoicing; rake test"
 end
 
-task :default => :test
+task :create_db do
+  cmd_string = %[mysqladmin create ept_invoicing_test -u build]
+  system cmd_string
+end
+
+def runcoderun?
+  ENV["RUN_CODE_RUN"]
+end
+
+if runcoderun?
+  task :default => [:create_db, :test]
+else
+  task :default => :test
+end

config/database.yml

@@ -2,7 +2,7 @@
 test:
   adapter: mysql
   encoding: utf8
-  database: invoicing_test
+  database: ept_invoicing_test
   host: localhost
   username: build
   password: