tests

Backend rewrite for v1.0 #415

Job	Run time
Code Quality	51s
Tests (ubuntu-latest, Python 3.8)	53s
Build distribution and test installation	1m 19s
Tests (ubuntu-latest, Python 3.9)	47s
Tests (ubuntu-latest, Python 3.10)	54s
Docs preview	1m 5s
Tests (ubuntu-latest, Python 3.11)	54s
Tests (ubuntu-latest, Python 3.12)	49s
Tests (macos-latest, Python 3.8)	2m 45s
Tests (macos-latest, Python 3.9)	1m 59s
Tests (macos-latest, Python 3.10)	1m 42s
Tests (macos-latest, Python 3.11)	2m 44s
Tests (macos-latest, Python 3.12)	2m 50s
Tests (windows-latest, Python 3.8)	3m 6s
Tests (windows-latest, Python 3.9)	2m 58s
Tests (windows-latest, Python 3.10)	2m 58s
Tests (windows-latest, Python 3.11)	2m 53s
Tests (windows-latest, Python 3.12)	2m 52s
Notify failed build	0s
	34m 19s

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