Ignore not found when delete stack or stack snapshot in tests.
Story: #1737100
Task: #19354
Change-Id: I6c980b68023b33dc318c5d9506c2cac5866c4924
(cherry picked from commit 3b74f2ddd1)
Ignore not found when delete stack or stack snapshot in tests.
Story: #1737100
Task: #19354
Change-Id: I6c980b68023b33dc318c5d9506c2cac5866c4924
(cherry picked from commit 3b74f2ddd1)