tests

Change `data-type` to `datatype` #230

Job	Run time
linting	18s
windows-latest py3.8	5m 38s
windows-latest py3.9	5m 36s
windows-latest py3.10	5m 40s
macos-latest py3.8	5m 40s
macos-latest py3.9	5m 35s
macos-latest py3.10	5m 37s
ubuntu-latest py3.8	5m 36s
ubuntu-latest py3.9	5m 38s
ubuntu-latest py3.10	5m 21s
Build source distribution	0s
Publish build distributions	0s
	50m 39s

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