Salesforce JEST Interview Questions What is <b> JEST</b> ? Why we need to <b> write JEST</b> test classes for LWC? Can we <b> deploy JEST </b> files into Salesforce? How can you <b> run </b> a JEST test classes? What is <b> it </b> or <b> test </b> in JEST? why we will use <b> createElement</b> ?