@Test
  public void testUnescapedQuote2() throws IOException {
    String filterString = "InclusiveStopFilter ('row''3''')";
    InclusiveStopFilter inclusiveStopFilter = doTestFilter(filterString, InclusiveStopFilter.class);
    byte[] stopRowKey = inclusiveStopFilter.getStopRowKey();
    assertEquals("row'3'", new String(stopRowKey, StandardCharsets.UTF_8));
  }
This class tests ParseFilter.java It tests the entire work flow from when a string is given by
the user and how it is parsed to construct the corresponding Filter object
hbase-server/src/test/java/org/apache/hadoop/hbase/filter/TestParseFilter.java