@Test
    public void testStringUtils() {
        final String result;
        final long start = System.currentTimeMillis();
        result = replaceWhitespaceStringUtils(data);
        final long end = System.currentTimeMillis();
        assertThat(result.length()).isEqualTo(EXPECTED_SIZE - 1);
        Log.d((end - start) + " ms StringUtils");
    }
The place for the implementation to prove that the new version of replaceWhitespace is faster than
BaseUtils.replaceWhitespace()
main/src/androidTest/java/cgeo/geocaching/test/WhitespaceTest.java