find a model

Then(/^#{capture_model} should exist(?: with #{capture_fields})?$/) do |name, fields|
  find_model(name, fields).should_not be_nil
end

# find exactly n models
Then(/^(\d+) #{capture_plural_factory} should exist(?: with #{capture_fields})?$/) do |count, plural_factory, fields|
  find_models(plural_factory.singularize, fields).size.should == count.to_i
end

make it so this can handle

And 1 service should exist

can just add (?:\d+)? to the start of the singular model assert?

instead of

And 1 services should exist