What are the best practices for creating test data for medium-sized applications?

Less than 200 Models
100 Controllers

I'm creating an application that's about .

The test tools are FactoryGirl and RSpec.
I create test data with FactoryGirl every time, but the relationship is quite large, and it takes a lot of time to create test data even if I use mock/stub.

Please tell me how to create your test data efficiently.

ruby-on-rails rspec

---