def METHOD_NAME(aws_client):
    domain_name = f"{short_uid()}-testDomain"
    # adding a domain name
    aws_client.apigateway.create_domain_name(domainName=domain_name)
    # retrieving the data of added domain name.
    result = aws_client.apigateway.get_domain_name(domainName=domain_name)
    assert result["domainName"] == domain_name
    assert result["domainNameStatus"] == "AVAILABLE"