The original title is about REST API testing assertions, specifically three types. Let me rewrite this for a mobile feed.

Short summary

Analysis of 2,400 real API test assertions reveals 91% fall into three categories: schema validation, identity/business-value checks, and side-effect verification. Rather than accumulating thousands of overlapping assertions, focus on these three patterns to eliminate maintenance burden while increasing confidence. The framework provides a simple decision tree: Does the response match the contract? Is the business value correct? Did the system perform the work?

• •Analysis of 2,400 assertions shows 91% fall into 3 categories: schema, identity, and side-effect validation
• •Eliminate brittle assertions that don't increase confidence or catch meaningful regressions
• •Use a decision framework: Does contract match? Is business value correct? Did system perform work?

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