Switch from mocha to rspec mocks #193

Job	Run time
File checks	34s
Puppet Syntax	32s
RELENG checks	34s
Puppet Style	33s
Ruby Style (experimental)	0s
Spec (classes 01, Puppet 7.x [SIMP 6.6/PE 2021.7])	31m 10s
Spec (classes 10, Puppet 7.x [SIMP 6.6/PE 2021.7])	20m 16s
Spec (classes 20, Puppet 7.x [SIMP 6.6/PE 2021.7])	29m 9s
Spec (classes 00, Puppet 7.x [SIMP 6.6/PE 2021.7])	9m 41s
Spec (facter, Puppet 7.x [SIMP 6.6/PE 2021.7])	33s
Spec (functions, Puppet 7.x [SIMP 6.6/PE 2021.7])	1m 8s
Spec (aliases, Puppet 7.x [SIMP 6.6/PE 2021.7])	41s
Spec (unit, Puppet 7.x [SIMP 6.6/PE 2021.7])	1m 1s
Spec (classes 01, Puppet 8.x)	31m 38s
Spec (classes 10, Puppet 8.x)	20m 38s
Spec (classes 20, Puppet 8.x)	28m 41s
Spec (classes 00, Puppet 8.x)	9m 41s
Spec (facter, Puppet 8.x)	25s
Spec (functions, Puppet 8.x)	46s
Spec (aliases, Puppet 8.x)	25s
Spec (unit, Puppet 8.x)	45s
	3h 8m 51s

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