e2e(sg): add sg creation tests

[evgeniiamokhova]

from #1626

[bw-ci]

Can one of the admins verify this patch?

[coveralls]

Pull Request Test Coverage Report for Build 1786

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 53.454%

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Totals
Change from base Build 1785:	0.0%
Covered Lines:	9527
Relevant Lines:	15818

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💛 - Coveralls