{
			queryParams: map[string]string{
				"Expires":        "60s",
				"Signature":      "badsignature",
				"AWSAccessKeyId": accessKey,
			},
			expected: ErrMalformedExpires,
		},
		// (3) Should give an expired request if it has expired.
		{
			queryParams: map[string]string{
				"Expires":        "60",
				"Signature":      "badsignature",
				"AWSAccessKeyId": accessKey,
			},