Add tests for conflicts for CA with SSNv2 #5560

Job	Run time
Waiting for build / Waiting For Build	1m 41s
Basic KRA / Test	4m 39s
KRA with ECC / Test	4m 54s
KRA with existing certs / Test	4m 58s
KRA with RSA OAEP padding / Test	6m 57s
KRA on separate instance / Test	7m 36s
KRA with CMC / Test	4m 48s
KRA container / Test	5m 54s
KRA with existing config / Test	5m 23s
KRA with existing DS database / Test	5m 17s
KRA with existing HSM / Test	4m 47s
KRA with existing NSS database / Test	4m 48s
KRA with external certs / Test	4m 44s
KRA with HSM / Test	4m 47s
KRA migration / Test	8m 12s
KRA with sequential serial numbers / Test	5m 10s
Standalone KRA / Test	4m 7s
	1h 28m 42s

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