Profile profile = [Select Id from Profile where name = 'ORT Direct Sales User'];
    User nonAdminUser = new User( ProfileId = profile.Id, Username = System.now().millisecond() + 'test2@test.com.dev',UserRoleId = '00E1G000000IX0IUAW',
                                Alias = 'batman', Email='bruce.wayne@wayneenterprises.com', EmailEncodingKey='UTF-8',Firstname='Bruce',
                                Lastname='Wayne',LanguageLocaleKey='en_US',LocaleSidKey='en_US',TimeZoneSidKey='America/Chicago' );
    System.runAs(new User( Id = UserInfo.getUserId() ))
    {
        Database.insert(nonAdminUser);
    }

    Account acc = TestUtility.createAccount( TestUtility.default_account_rt, false );
    acc.Name = 'sfdcpoint';
    acc.Account_Status__c = 'Active';
    insert acc;

    System.runAs(nonAdminUser)
    {
        Contact cont = TestUtility.createContact( TestUtility.default_contact_rt , acc, false );
        cont.MailingStreet = 'Test Street' ;
        cont.MailingCity = 'Minneapolis';
        cont.MailingState = 'MN';
        cont.MailingPostalCode = '55347';
        cont.MailingCountry = 'United States' ;
        insert cont;

        BusinessUnits__c bu = new BusinessUnits__c( Contact__c = cont.Id, LineOfBusiness__c = 'Central Title Division' );
        bu.Sales_Rep__r.UserRole.DeveloperName = 'Central_Title_Agency1';
        insert bu ;

        try
        {
            BusinessUnits__c bu1 = new BusinessUnits__c( Contact__c = cont.Id, LineOfBusiness__c = 'Central Title Division' );
            bu1.Sales_Rep__r.UserRole.DeveloperName= 'Central_Title_Agency1';
            insert bu1 ;
        }
        catch(DmlException de )
        {

        }
    }

}