@Test
public void testGetStaticFactPropertiesWithEmptyFact() {

  Map<String, ?> props = MapUtils.map(helper.getStaticFactProperties(new FactRecord()), p -> T(p.getName(), p.getValue()));
  assertEquals(0.0f, props.get("trust"));
  assertEquals(0.0f, props.get("confidence"));
  assertEquals(0.0f, props.get("certainty"));
  assertEquals(0L, props.get("timestamp"));
  assertEquals(0L, props.get("lastSeenTimestamp"));
  assertNull(props.get("value"));
}