wspr: Change Signature test to take __Reserved into account.
wspr: Change Signature test to take __Reserved into account.

Change-Id: Ieac67f1c0ed64cb54d347786455b7df2897e2b19
MultiPart: 2/2

vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref,vanadium/go.ref