You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: test_merchant_fulfillment.rb
    path of file: ./repos/peddler/test/integration
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

require 'integration_helper'
require 'mws/merchant_fulfillment'

class TestMerchantFulfillment < IntegrationTest
  def test_getting_eligible_shipments_in_the_us
    client = clients.us
    res = client.get_eligible_shipping_services(shipment_request_details)
    refute_predicate res.dig('ShippingServiceList', 'Ship
    
  def shipment_request_details
    {
      amazon_order_id: '123-1234567-1234567',
      item_list: [
        {
          order_item_id: '12345678901234',
          quantity: 1
        }
      ],
      ship_from_address: {
        name: 'John Doe',
        address_line_1: '10 Jay St',
        email: 'john@example.com',
        city: 'Brooklyn',
        state_or_province_code: 'NY',
        postal_code: '11201',
        country_code: 'US',
        phone: '7181231234'
      },
      package_dimensions: {
        length: 40,
        width: 30,
        height: 10,
        unit: 'centimeters'
      },
      weight: {
        value: 1000,
        unit: 'grams'
      },
      shipping_service_options: {
        carrier_will_pick_up: false,
        delivery_experience: 'DeliveryConfirmationWithoutSignature'
      }
    }
  end