@Test
public void testFieldLevelStats4_mixed() throws Exception {

    String result = "a I-<1> I-<1>\nb I-<2> <1>\nc <2> I-<2>\nd <2> <2>\ne I-<1> I-<1>\nf <1> <1>\ng I-<2> I-<2>\n";
    Stats fieldStats = target.fieldLevelStats(result);
    LabelStat labelstat1 = fieldStats.getLabelStat("<1>");
    LabelStat labelstat2 = fieldStats.getLabelStat("<2>");
    assertThat(labelstat1.getObserved(), CoreMatchers.is(1));
    assertThat(labelstat2.getObserved(), CoreMatchers.is(1));
    assertThat(labelstat1.getExpected(), CoreMatchers.is(2));
    assertThat(labelstat2.getExpected(), CoreMatchers.is(2));
    assertThat(labelstat1.getFalseNegative(), CoreMatchers.is(1));
    assertThat(labelstat2.getFalseNegative(), CoreMatchers.is(1));
    assertThat(labelstat1.getFalsePositive(), CoreMatchers.is(1));
    assertThat(labelstat2.getFalsePositive(), CoreMatchers.is(1));
}