}

	// Validates all testcases.
	for i, testCase := range testCases {
		s3Error := isReqAuthenticated(ctx, testCase.req, globalSite.Region, serviceS3)
		if s3Error != testCase.s3Error {
			if _, err := io.ReadAll(testCase.req.Body); toAPIErrorCode(ctx, err) != testCase.s3Error {