Add tests for SSNv2 #2121

Job	Run time
Waiting for build / Waiting For Build	7m 44s
Basic EST	4m 5s
EST with ds realm / Test	4m 3s
EST with ds realm on a separate instance / Test	4m 21s
EST with postgresql realm / Test	4m 29s
EST on separate instance with provided certificates / Test	4m 17s
	28m 59s

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