Don't fail cloudhsm tests if we get service unavailable message.
Don't fail cloudhsm tests if we get service unavailable message.

mattico/rusoto,DualSpark/rust-aws,DualSpark/rust-aws,rusoto/rusoto,mattico/rusoto,rusoto/rusoto,DualSpark/rust-aws,DualSpark/rusoto,SecurityInsanity/rusoto,mattico/rusoto,DualSpark/rusoto,DualSpark/rusoto,SecurityInsanity/rusoto,rusoto/rusoto