Tests

Fix for save_expval truncation #2907

Job	Run time
lint (3.10)	1m 21s
sdist (3.8, ubuntu-latest, x64)	2m 58s
sdist (3.9, ubuntu-latest, x64)	2m 45s
sdist (3.10, ubuntu-latest, x64)	2m 55s
sdist (3.11, ubuntu-latest, x64)	2m 48s
sdist (3.12.0, ubuntu-latest, x64)	4m 4s
Linux Python 3.8	10m 34s
Linux Python 3.9	10m 16s
macOS Python 3.8	22m 17s
macOS Python 3.9	17m 19s
Linux Python 3.10	10m 54s
Windows Python 3.8	14m 7s
Windows Python 3.9	11m 40s
Linux Python 3.11	9m 19s
macOS Python 3.10	22m 0s
tests-json-input (3.10, ubuntu-latest)	10m 19s
Windows Python 3.10	12m 4s
Linux Python 3.12.0	11m 38s
macOS Python 3.11	11m 12s
Windows Python 3.11	11m 54s
macOS Python 3.12.0	18m 33s
Linux Python 3.10 ('qiskit>=1.3.0b1')	10m 29s
Windows Python 3.12.0	10m 29s
	4h 1m 55s

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