Fix broken SES integration tests (#2198)

SUMMARY
It would appear that Amazon now provides a window, during which a deleted SES identity can be revived (even if marked as deleted).  This resulted in some of our integration tests breaking.  The identities were still marked as "deleted", AWS just revived them...
ISSUE TYPE

Bugfix Pull Request

COMPONENT NAME
ses_identity
ADDITIONAL INFORMATION

Reviewed-by: Alina Buzachis
(cherry picked from commit 3a71abd)