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okaylah52okaylah52 

When migrating an Apex class, should its test class be migrated too?

Please pardon this newbie question and provide the link if this has been answered before

 

I develop an Apex class X. I write another Apex class Y as a test class of X. When I migrate X to production, do I have to migrate Y too?

 

Thanks.

Best Answer chosen by Admin (Salesforce Developers) 
srisomsrisom
Yes.  When migrating to production, all of the tests are run and the coverage needs to satisfy the 75%.  If the test is not there already then you need to migrate it.