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testland/test-design-scorecard

Use when a test diff needs a graded coaching review rather than a merge verdict: onboarding a new engineer, ramping up test discipline, or a quarterly per-author trend. Scores tests 1-5 on six design axes with explicit anchors and writes growth-framed feedback.

Quality

89%

Does it follow best practices?

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Adds up to 20 points to the overall score

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Overview
Quality
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trend-and-rollup-reporting.mdreferences/

Rollup and trend reporting

Deep reference for the test-design-scorecard SKILL.md. Consult after scoring individual files, when aggregating those scores into a per-PR summary or a per-author trend line. The per-file scoring and feedback rules stay in the SKILL; this is the rollup layer.

Worked example - per-PR summary

## Test design scorecard - PR #1234

**Files scored:** 3
**Average:** 3.8 / 5
**Trend:** up from 3.5 across the previous 3 PRs.

| File | Score | Standout | Top growth axis |
|---|---:|---|---|
| `cart.spec.ts` | 4.2 | Phase separation, single-responsibility | Naming |
| `checkout.spec.ts` | 3.5 | Inline fixtures | Magic literals |
| `payment.spec.ts` | 3.7 | Setup under 1 s | Single-responsibility (3 targets in one test) |

### Pick one focus for this sprint

1. **Naming:** add the scenario element to every new test name.
2. **Single-responsibility:** split tests with 3 or more assertion targets.
3. **Magic literals:** name the values that recur across files.

One focus beats three. Pick the one you would enjoy doing.

### This is not a gate

This PR ships on its own merits. The growth items are for the next one.

Worked example - per-author trend

## Test design trend - Q2

| Period | Avg score | PRs scored | Axes |
|---|---:|---:|---:|
| 2026-W18 | 3.5 | 4 | 5 |
| 2026-W19 | 3.7 | 3 | 5 |
| 2026-W20 | 3.8 | 5 | 6 |
| 2026-W21 | 3.9 | 4 | 6 |

**Direction:** up, roughly +0.1 per sprint.
**Most improved:** AAA phase separation, 3.0 to 4.5.
**Unchanged:** setup time, unscored in W18-W19 (no timings captured).

Reporting conventions

Two conventions keep the trend honest, both chosen here rather than sourced:

  • Report no trend on fewer than 3 scored PRs in a period.
  • Treat a period-over-period delta under 0.3 as noise rather than movement, given the inter-rater reliability limit the SKILL documents.
  • Always print the axis count per period: a composite over 5 axes and one over 6 are not the same number.

Trends need consistent adoption. Scored sporadically, the line tracks which PRs happened to get reviewed, not how anyone's testing changed. Keep the same scorer across a trend line wherever possible, since a one-point difference between reviewers is inside the noise floor.

SKILL.md

tile.json