@Test
public void testGetCommaDelimitedString()
{

    assertThat( TextUtils.getCommaDelimitedString( Arrays.asList( 1, 2, 3, 4, 5 ) ), is( "1, 2, 3, 4, 5" ) );
    assertThat( TextUtils.getCommaDelimitedString( Collections.singletonList( 1 ) ), is( "1" ) );
    assertThat( TextUtils.getCommaDelimitedString( null ), is( "" ) );
}