Turnip testing email steps?

[pmu]

Hello,

I am exploring Turnip as alternative to Cucmber and I have the problem
that I need to test for email messages.
Now, I was wondering how you setup your environment for this?
I am thinking to use the strategies from: https://github.com/bmabey/email-spec
, i.e.
in spec_helper.rb:

config.include(EmailSpec::Helpers)
config.include(EmailSpec::Matchers)

However, that looks like a global setting, and I was wondering, if
there is a better way to do it?

Thanks,
Patrick