The Golden Rule of Salesforce Testing

Salesforce spans nearly every department in an organization, but each department uses the platform differently. Each has its own needs, use cases, and levels of support. Testing Salesforce is no different. Each department has different test cases based on the key features it uses. So, what is the golden rule that applies to everyone when it comes to testing Salesforce?
Learn the importance of testing Salesforce and which strategies to apply.