Test

✨ Set FASTAPI_ENV when running fastapi dev (#477) #1439

Job	Run time
test (windows-latest, 3.14, highest)	1m 3s
test (3.12, macos-latest, lowest-direct)	37s
test (3.10, ubuntu-latest, lowest-direct)	19s
test (ubuntu-latest, 3.14, highest)	25s
test (3.13, windows-latest, highest)	1m 8s
test (macos-latest, 3.14, highest)	26s
test (3.13, ubuntu-latest, highest)	18s
test (3.11, windows-latest, highest)	38s
coverage-combine	11s
check	3s
	5m 8s

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