module GdsApi::TestHelpers::Mapit

def mapit_does_not_have_a_bad_postcode(postcode)
  stub_request(:get, "#{MAPIT_ENDPOINT}/postcode/" + postcode.gsub(' ','+') + ".json")
    .to_return(:body => { "code" => 400, "error" => "Postcode '#{postcode}' is not valid." }.to_json, :status => 400)
end