Coverage reports are rarely useful if you run only small parts of your test suite.
Just don't not load SimpleCov in this case, and you will see less noise in your test output:
Copyif RSpec.configuration.files_to_run.count > 5 require "simplecov" SimpleCov.start 'rails' end
if RSpec.configuration.files_to_run.count > 5 require "simplecov" SimpleCov.start 'rails' end