@Test
public void calculatePartSize_exactChunkSplit_partSizeShouldBeEqual() {

    UploadConfiguration configuration = UploadConfiguration.builder().build();
    long objectSize =
            configuration.getLengthPerUploadPart()
                    * MultipartUtils.MiB
                    * UploadConfiguration.MAXIMUM_NUM_ALLOWED_PARTS;
    long partSize = objectSize / UploadConfiguration.MAXIMUM_NUM_ALLOWED_PARTS;
    assertEquals(partSize, MultipartUtils.calculatePartSize(configuration, objectSize));
}