module FFaker::NameCS

person.first_name # => "Jana"
person.last_name # => "Nováková"

end
person.first_name = FFaker::NameCS.first_name
person.last_name = FFaker::NameCS.last_name
FFaker::NameCS.with_same_sex(:female)

all calls inside thee block:
Can be called with explicit sex which will affect
All names generated inside the block will have the same sex.

def with_same_sex(sex = :random)
  @fixed_sex = sex == :random ? GENDERS[rand(0..1)] : sex
  yield
ensure
  @fixed_sex = nil
end