### Question:
IncludeAllRelationships extends RelationshipInclusionPolicy.Adapter { public static RelationshipInclusionPolicy getInstance() { return INSTANCE; } private  IncludeAllRelationships(); static RelationshipInclusionPolicy getInstance(); @Override boolean include(Relationship object);  }### Answer:
@Test public void shouldGetAllRels() { try (Transaction tx = database.beginTx()) { assertEquals(4, IterableUtils.count(IncludeAllRelationships.getInstance().getAll(database))); tx.success(); } }