}

	// initialize httptest Recorder, this records any mutations to response writer inside the handler.
	rec := httptest.NewRecorder()
	// construct HTTP request for DELETE bucket.
	req, err := newTestSignedRequestV4(http.MethodDelete, getBucketLocationURL("", bucketName), 0, nil, credentials.AccessKey, credentials.SecretKey, nil)
	if err != nil {

			// construct HTTP request for copy object.
			req, err = newTestSignedRequestV4(http.MethodPut, getCopyObjectPartURL("", testCase.bucketName, testObject, testCase.uploadID, "1"), 0, nil, testCase.accessKey, testCase.secretKey, nil)
		case testCase.invalidPartNumber:

		// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
		recV4 := httptest.NewRecorder()
		// construct HTTP request for PUT bucket policy endpoint.
		reqV4, err := newTestSignedRequestV4(http.MethodPut, getPutPolicyURL("", testCase.bucketName),
			int64(testCase.policyLen), testCase.bucketPolicyReader, testCase.accessKey, testCase.secretKey, nil)
		if err != nil {

	for i, testCase := range testCases {
		// initialize httptest Recorder, this records any mutations to response writer inside the handler.
		rec := httptest.NewRecorder()
		// construct HTTP request
		req, err := newTestSignedRequestV4(testCase.method, getBucketLifecycleURL("", testCase.bucketName),
			int64(len(testCase.body)), bytes.NewReader(testCase.body), testCase.accessKey, testCase.secretKey, nil)
		if err != nil {

	if signer == signerV2 {
		return newTestSignedRequestV2(method, urlStr, contentLength, body, accessKey, secretKey, nil)
	}
	return newTestSignedRequestV4(method, urlStr, contentLength, body, accessKey, secretKey, nil)
}

// Returns request with correct signature but with incorrect SHA256.

	// initialize HTTP NewRecorder, this records any mutations to response writer inside the handler.
	rec := httptest.NewRecorder()
	// construct HTTP request for Get Object end point.
	req, err := newTestSignedRequestV4(http.MethodPut, getPutObjectURL("", bucketName, objectName),
		int64(5), bytes.NewReader([]byte("hello")), credentials.AccessKey, credentials.SecretKey, map[string]string{})
	if err != nil {

		}
		path = path + "?" + queryVal.Encode()
	}

	if accessKey == "" && secretKey == "" {
		accessKey = globalActiveCred.AccessKey
		secretKey = globalActiveCred.SecretKey
	}

	req, err := newTestSignedRequestV4(method, path, 0, nil, accessKey, secretKey, nil)
	if err != nil {
		t.Fatal(err)
	}
	return req
}

// setupKMSUser is a test helper that creates a new user with the provided access key and secret key