@Test
public void testSplitAndTrim()
{

    Set<String> expectedResults = new HashSet<>(Arrays.asList("a", "b", "c"));
    Set<String> actualResults = herdStringHelper.splitAndTrim(", \n\t\ra \n\t\r,,b,c,", ",");
    assertEquals("split and trim result", expectedResults, actualResults);
}