@Override
  public void setOriginalFile(Component file, OriginalFile originalFile) {
    storeOriginalFileInCache(originalFiles, file, originalFile);
  }
@Test
  public void setOriginalFile_throws_NPE_when_originalFile_is_null() {
    assertThatThrownBy(() -> underTest.setOriginalFile(SOME_FILE, null))
      .isInstanceOf(NullPointerException.class)
      .hasMessage("originalFile can't be null");
  }