tests

Backend rewrite for v1.0 #413

Job	Run time
Code Quality	37s
Build distribution and test installation	1m 12s
Tests (ubuntu-latest, Python 3.8)	48s
Docs preview	53s
Tests (ubuntu-latest, Python 3.9)	47s
Tests (ubuntu-latest, Python 3.10)	48s
Tests (ubuntu-latest, Python 3.11)	54s
Tests (ubuntu-latest, Python 3.12)	50s
Tests (macos-latest, Python 3.8)	2m 58s
Tests (macos-latest, Python 3.9)	3m 11s
Tests (macos-latest, Python 3.10)	1m 52s
Tests (macos-latest, Python 3.11)	2m 59s
Tests (macos-latest, Python 3.12)	1m 50s
Tests (windows-latest, Python 3.8)	2m 47s
Tests (windows-latest, Python 3.9)	2m 44s
Tests (windows-latest, Python 3.10)	2m 56s
Tests (windows-latest, Python 3.11)	2m 54s
Tests (windows-latest, Python 3.12)	2m 57s
Notify failed build	0s
	33m 57s

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