Fix minor test bug for WPM #1545

Job	Run time
build packages	15s
unit test / python 3.8	51s
linter	1m 6s
unit test / python 3.9	53s
unit test / python 3.10	54s
unit test / python 3.11	49s
verify packages / python 3.8 / ubuntu-latest	1m 2s
verify packages / python 3.9 / ubuntu-latest	1m 5s
verify packages / python 3.10 / ubuntu-latest	1m 4s
verify packages / python 3.11 / ubuntu-latest	1m 9s
verify packages / python 3.8 / macos-latest	2m 20s
verify packages / python 3.9 / macos-latest	1m 55s
verify packages / python 3.10 / macos-latest	2m 35s
verify packages / python 3.11 / macos-latest	2m 27s
verify packages / python 3.8 / windows-latest	3m 53s
verify packages / python 3.9 / windows-latest	3m 36s
verify packages / python 3.10 / windows-latest	3m 3s
verify packages / python 3.11 / windows-latest	3m 28s
	32m 25s

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