Tests

Add code snippets for verifying sample data loading #4572

Job	Run time
linting	35s
macos-latest py3.13	4m 44s
ubuntu-latest py3.11	6m 39s
windows-latest py3.13	8m 50s
ubuntu-latest py3.13	7m 11s
ubuntu-latest py3.12	7m 0s
Build source distribution	0s
Publish build distributions	-1s
	34m 58s

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