test(inventory): BACK-734 Introduce backorder catalyst tests

[agchan12]

What/Why?

• Introduce catalyst end to end tests for backorders
  • This is to prevent any regressions in backorder functionality in Catalyst.

Testing

CircleCi

Migration

No migration. All new files

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⚠️ No Changeset found

Latest commit: ffe03b9

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[vercel]

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Project	Deployment	Actions	Updated (UTC)
catalyst	Ready	Preview	Aug 25, 2026 1:44am

[github-actions]

Bundle Size Report

Comparing against baseline from ce7d1b2 (2026-08-25).

No bundle size changes detected.

[github-actions]

Unlighthouse Performance Comparison — Vercel

Comparing PR preview deployment Unlighthouse scores vs production Unlighthouse scores.

Summary Score

Aggregate score across all categories as reported by Unlighthouse.

	Prod Desktop	Prod Mobile	Preview Desktop	Preview Mobile
Score	89	92	91	95

Category Scores

Category	Prod Desktop	Prod Mobile	Preview Desktop	Preview Mobile
Performance	72	75	76	92
Accessibility	95	98	95	98
Best Practices	100	100	100	100
SEO	88	88	100	100

Core Web Vitals

Metric	Prod Desktop	Prod Mobile	Preview Desktop	Preview Mobile
LCP	4.0 s	4.5 s	3.5 s	3.3 s
CLS	0.05	0.183	0.001	0
FCP	1.2 s	1.2 s	1.2 s	1.2 s
TBT	20 ms	0 ms	0 ms	20 ms
Max Potential FID	70 ms	40 ms	40 ms	90 ms
Time to Interactive	4.0 s	4.5 s	3.5 s	3.8 s

Full Unlighthouse report →