}
		rec := httptest.NewRecorder()
		apiRouter.ServeHTTP(rec, req)
		checkRespErr(rec, http.StatusOK)
	} else {
		// Multipart upload - each part is a new DummyDataGen
		// (so the part lengths are required to verify the
		// object when reading).

		// Initiate mp upload
		reqI, err := newTestSignedRequestV4(http.MethodPost, getNewMultipartURL("", bucketName, objectName),