fv:      defaultFormVals.Clone(),
			expired: true,
			wantErr: "Invalid according to Policy: Policy expired",
		},
		{
			name:    "different AMZ date",
			fv:      defaultFormVals.Clone().Set(xhttp.AmzDate, "2017T000000Z"),
			wantErr: policyCondFailedErr,
		},
		{
			name:    "incorrect date",
			fv:      defaultFormVals.Clone().Set(xhttp.AmzDate, "incorrect"),
			wantErr: policyCondFailedErr,
		},
		{