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CTU007CTU007 

do I need to write test code for some simple SOQL code

Hi, I save the following code to the production in Eclipse, no test code included as I dont know how to do it.

 

 

public class sortedmilestones {

        public Id opportunityID {get; set;}
        List<Milestones__c> milestones;
        
        public List<Milestones__c> getmilestones(){
            if(milestones == null){
                milestones = [select Id, Name, Milestone__c, Stage__c, Verifiable_Outcome__c, Achieved__c, Date_Achieved__c, Milestone_Notes__c from Milestones__c where Opportunity__c =:opportunityID order by Name];
             }
             return milestones;
        }
}

 
 It seems like it is working properly. 
 
My question is, is test code requried for this? What is the down side if there is no test code?