Tests

Improve unit test coverage for v2/snap.py #154

Job	Run time
test / Ubuntu integration tests	4m 29s
test / Ubuntu integration tests	4m 4s
test / Ubuntu integration tests	3m 33s
test / Ubuntu integration tests	3m 31s
test / Unit tests (3.8)	17s
test / Unit tests (3.8)	17s
test / Unit tests (3.8)	17s
test / Unit tests (3.8)	17s
test / Juju systemd notices integration tests	10m 23s
test / Juju systemd notices integration tests	10m 23s
test / Juju systemd notices integration tests	10m 23s
test / Juju systemd notices integration tests	10m 23s
test / Unit tests (3.10)	20s
test / Unit tests (3.10)	20s
test / Unit tests (3.10)	20s
test / Unit tests (3.10)	20s
test / Lint	8s
test / Lint	8s
test / Lint	8s
test / Lint	8s
test / Unit tests (3.12)	2m 3s
test / Unit tests (3.12)	2m 3s
test / Unit tests (3.12)	2m 3s
test / Unit tests (3.12)	2m 3s
	1h 8m 21s

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