---
title: Rule Title Here
impact: CRITICAL|HIGH|MEDIUM-HIGH|MEDIUM|LOW-MEDIUM|LOW
impactDescription: Quantified impact (e.g., "2-10x improvement", "eliminates flaky failures")
tags: category-prefix, technique, related-concept
---

## Rule Title Here

1-3 sentences explaining WHY this matters for testing. Focus on the testing cost or risk.

**Incorrect (problem/cost description):**

```swift
// Production-realistic bad example
// 1-2 comments on key lines explaining consequences
```

**Correct (benefit/solution description):**

```swift
// Production-realistic good example
// Minimal diff from incorrect
```

**When NOT to use this pattern:**
- Exception 1
- Exception 2

Reference: [Source Title](https://example.com)
