Aws.config[:ec2] = {
  stub_responses: {
    describe_vpcs: {
      vpcs: [
        {
          vpc_id: 'vpc-ab123cde',
          tags: [
            {
              key: 'Name',
              value: 'my-vpc'
            }
          ]
        }
      ]
    },
    describe_subnets: {
      subnets: [
        {
          state: 'available',
          vpc_id: 'vpc-ab123cde',
          subnet_id: 'subnet-1234a567',
          cidr_block: '10.0.1.0/24',
          tags: [
            {
              key: 'Name',
              value: 'my-subnet'
            }
          ]
        }
      ]
    }
  }
}