Hi there,

I think this can be a good issue for a first-time contributor. It would be great if we can increase documentation for the DatabaseCleaner::Configuration API: https://github.com/DatabaseCleaner/database_cleaner/blob/master/lib/database_cleaner/configuration.rb#L56-L72

Even though methods are pretty self-explanatory, I think it is a good idea to maintain a complete documentation for

Describe the problem

when executing an inspec profile from a remote repository with a default branch not named master the following error is returned.

inspec exec https://github.com/org/profile.git

Profile git dependency failed - unable to resolve ma

I really like enforcing one expectation per example. But with RSpec's exception matching, you need two expect calls if you want to assert something about an exception:

expect { my_code }.to raise_error(MyErrorType) do |error|
  expect(error.message).to match /something went wrong/
end

There's no way to match against the error message without first wrapping the call, and RSpec o