Tests

Big Rework of the Documentation #1352

Job	Run time
(ubuntu-latest, Py3.9, sk1.0.*, sk-only:true)	8m 59s
(ubuntu-latest, Py3.9, sk1.1.*, sk-only:true)	6m 59s
(ubuntu-latest, Py3.9, sk1.2.*, sk-only:true)	7m 5s
(windows-latest, Py3.8, sk0.24.*, sk-only:false)	9m 48s
(ubuntu-latest, Py3.9, sk1.4.*, sk-only:true)	8m 52s
(ubuntu-latest, Py3.9, sk1.3.*, sk-only:true)	7m 44s
(ubuntu-latest, Py3.8, sk0.23.1, sk-only:true)	4m 59s
(ubuntu-latest, Py3.8, sk0.23.1, sk-only:false)	9m 10s
(ubuntu-latest, Py3.9, sk1.5.*, sk-only:true)	6m 55s
(ubuntu-latest, Py3.9, sk0.24, sk-only:true)	8m 48s
	1h 19m 19s

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