Add tests for CLI help and error messages #5664

Job	Run time
Waiting for build / Waiting For Build	5m 36s
Update Version / Test	13s
PKI NSS CLI with RSA / Test	45s
Basic PKI CLI / Test	35s
PKICertImport / Test	1m 18s
PKI NSS CLI with AES / Test	33s
PKI NSS CLI with ECC / Test	50s
PKI NSS CLI with Extensions / Test	45s
PKI NSS CLI with HSM / Test	1m 3s
PKI PKCS11 CLI / Test	55s
PKI PKCS12 CLI / Test	48s
PKI PKCS7 CLI / Test	46s
rpminspect / Test	6m 4s
	20m 11s

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