Fix test assertion in raw_types_test.py. #18727

Job	Run time
Misc check	8s
Packaging test	1m 41s
Type check	1m 55s
Pytest Ubuntu with NumPy-2 (3.11)	6m 43s
Format check	18s
Pytest Ubuntu with NumPy-2 (3.13)	8m 6s
Build protos	18s
Pytest Ubuntu with NumPy-2 (3.12)	8m 26s
Doc test	1m 41s
Notebook formatting	8s
Changed files test	1m 21s
Check consistency of requirements	23s
Shell check	7s
Lint check	2m 35s
Pytest Ubuntu (3.11)	5m 50s
Isolated pytest Ubuntu	8m 34s
Pytest Ubuntu (3.12)	6m 40s
Bundle file consistency	52s
Changed Notebooks Isolated Test against Cirq stable (partition-0)	48s
Typescript tests	42s
Pytest MacOS (3.11)	11m 22s
Changed Notebooks Isolated Test against Cirq stable (partition-1)	56s
Pytest Windows (3.12)	9m 44s
Pytest Windows (3.11)	10m 1s
Changed Notebooks Isolated Test against Cirq stable (partition-2)	46s
Typescript lint check	40s
Pytest MacOS (3.12)	6m 59s
Changed Notebooks Isolated Test against Cirq stable (partition-3)	1m 6s
Coverage check	18m 58s
Typescript tests coverage	38s
Notebook Tests against PR	10m 50s
	2h 9m 16s

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