Tests

Fix optional dependencies #995

Job	Run time
Run (most) tests with default install	2m 14s
Build doc	1m 50s
Run tests with full install (3.10, windows-latest)	2m 31s
Run tests with full install (3.10, ubuntu-latest)	2m 36s
Run tests with full install (3.12, macOS-latest)	1m 6s
Run tests with full install (3.11, windows-latest)	2m 21s
Run tests with full install (3.11, ubuntu-latest)	2m 16s
Run tests with full install (3.13, windows-latest)	2m 46s
Run tests with full install (3.11, macOS-latest)	1m 12s
Run tests with full install (3.10, macOS-latest)	1m 18s
Run tests with full install (3.12, ubuntu-latest)	2m 30s
Run tests with full install (3.13, ubuntu-latest)	2m 29s
Run tests with full install (3.13, macOS-latest)	1m 3s
Run tests with full install (3.12, windows-latest)	2m 33s
	28m 45s

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