fix issues on nodes without lvm #100

Job	Run time
Spec / Setup Test Matrix	27s
Spec / Spec tests (Puppet: ~> 7.24, Ruby Ver: 2.7)	51s
Spec / Spec tests (Puppet: ~> 8.0, Ruby Ver: 3.2)	28s
Setup Test Matrix	36s
Acceptance tests (CentOS-7, puppet7-nightly)	4m 50s
Acceptance tests (CentOS-7, puppet8-nightly)	4m 42s
Acceptance tests (CentOS-8, puppet7-nightly)	5m 36s
Acceptance tests (CentOS-8, puppet8-nightly)	6m 6s
Acceptance tests (Debian-10, puppet7-nightly)	4m 32s
Acceptance tests (Debian-10, puppet8-nightly)	4m 26s
Acceptance tests (Debian-11, puppet7-nightly)	4m 59s
Acceptance tests (Debian-11, puppet8-nightly)	4m 54s
Acceptance tests (RedHat-7, puppet7-nightly)	5m 35s
Acceptance tests (RedHat-7, puppet8-nightly)	5m 22s
Acceptance tests (RedHat-8, puppet7-nightly)	7m 6s
Acceptance tests (RedHat-8, puppet8-nightly)	6m 56s
Acceptance tests (RedHat-9, puppet7-nightly)	6m 14s
Acceptance tests (RedHat-9, puppet8-nightly)	6m 46s
Acceptance tests (Ubuntu-20.04, puppet7-nightly)	5m 30s
Acceptance tests (Ubuntu-20.04, puppet8-nightly)	6m 4s
Acceptance tests (Ubuntu-22.04, puppet7-nightly)	5m 37s
Acceptance tests (Ubuntu-22.04, puppet8-nightly)	5m 48s
	1h 43m 25s

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