nilBucket := "dummy-bucket"
	nilObject := "dummy-object"

	nilReq, err := newTestSignedRequestV4(http.MethodPut, getCopyObjectPartURL("", nilBucket, nilObject, "0", "0"),
		0, bytes.NewReader([]byte("testNilObjLayer")), "", "", nil)
	if err != nil {
		t.Errorf("MinIO %s: Failed to create http request for testing the response when object Layer is set to `nil`.", instanceType)
	}