@Override
  public String interceptSource(String source) {
    return source;
  }
@Test
  public void testInterceptSource() {
    String srcRegex = "word1";
    String replaceString = "word2";
    RegexMountPointResolvedDstPathReplaceInterceptor interceptor =
        new RegexMountPointResolvedDstPathReplaceInterceptor(srcRegex,
            replaceString);
    String sourcePath = "/a/b/l3/dd";
    Assert.assertEquals(sourcePath, interceptor.interceptSource(sourcePath));
  }