Tests

Update contributing docs for sass modules #16792

Job	Run time
Install (Windows)	1m 59s
Install (Ubuntu)	24s
Build (Ubuntu)	44s
Build (Windows)	1m 56s
Prettier (Windows)	1m 31s
Lint Sass (Windows)	2m 31s
Stats comment / Generate stats	1m 17s
Lint JavaScript (Windows)	1m 40s
Prettier (Ubuntu)	40s
TypeScript compiler (Ubuntu)	36s
Lint Sass (Ubuntu)	33s
Lint JavaScript (Ubuntu)	37s
Diff changes to npm package / Generate diff	1m 13s
TypeScript compiler (Windows)	1m 17s
Verify package build (Windows)	1m 26s
Verify package build (Ubuntu)	44s
Verify distribution build (Windows)	1m 35s
Verify distribution build (Ubuntu)	24s
Export require, Node.js 20	36s
Export import, Node.js 20	30s
Export import, Node.js 12	26s
Export require, Node.js 12	30s
Export require, Node.js 18	35s
Export require, Node.js 12.18	35s
Bundler integrations / Test tree shaking (webpack)	20s
Export import, Node.js 18	26s
Bundler integrations / Test tree shaking (vite)	26s
JavaScript unit tests (Ubuntu)	1m 7s
JavaScript component tests (Ubuntu)	1m 31s
Integration tests (Windows)	1m 45s
Bundler integrations / Test tree shaking (rollup)	27s
JavaScript behaviour tests (Windows)	1m 58s
Integration tests (Ubuntu)	43s
Nunjucks macro tests (Ubuntu)	51s
JavaScript behaviour tests (Ubuntu)	51s
JavaScript unit tests (Windows)	1m 56s
Nunjucks macro tests (Windows)	1m 46s
JavaScript component tests (Windows)	2m 25s
Accessibility tests (Windows)	2m 22s
Accessibility tests (Ubuntu)	2m 1s
Percy / Send screenshots	15s
	45m 29s

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