Tests

docs: Add intuitive explanation of JD #2201

Job	Run time
Run (most) tests with default install	1m 15s
Run mypy	1m 14s
Build doc	1m 2s
Run tests with full install (3.10, windows-latest)	1m 35s
Run tests with full install (3.11, windows-latest)	1m 52s
Run tests with full install (3.12, ubuntu-latest)	1m 22s
Run tests with full install (3.11, ubuntu-latest)	1m 21s
Run tests with full install (3.13, ubuntu-latest)	1m 24s
Run tests with full install (3.13, macOS-latest)	1m 5s
Run tests with full install (3.12, macOS-latest)	53s
Run tests with full install (3.11, macOS-latest)	49s
Run tests with full install (3.13, windows-latest)	1m 34s
Run tests with full install (3.10, ubuntu-latest)	1m 28s
Run tests with full install (3.14, windows-latest)	1m 56s
Run tests with full install (3.10, macOS-latest)	1m 14s
Run tests with full install (3.12, windows-latest)	2m 18s
Run tests with full install (3.14, macOS-latest)	1m 53s
Run tests with full install (3.14, ubuntu-latest)	1m 21s
	25m 36s

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