@Test
    public void testMultiSegmentProximity() {
        assertMetrics("absoluteProximity:0.1    proximity:1",  "a b c",  "a b x x x x x x x x x x x x x x x x x x x x x x c");
        assertMetrics("absoluteProximity:0.05   proximity:0.5","a b c",  "a x x b x x x x x x x x x x x x x x x x x x x x x x c");
        assertMetrics("absoluteProximity:0.075  proximity:0.75","a b c d","a x x b x x x x x x x x x x x x x x x x x x x x x x c d");
    }
Tests exactness (using field exactness only - nothing additional of interest to test with query exactness
as that is just another number multiplied with the term exactness)
searchlib/src/test/java/com/yahoo/searchlib/ranking/features/fieldmatch/test/FieldMatchMetricsTestCase.java