diff --git a/src/test/java/me/bearns/fias/SchemeTest.java b/src/test/java/me/bearns/fias/SchemeTest.java
new file mode 100644
index 0000000..a2dd42e
--- /dev/null
+++ b/src/test/java/me/bearns/fias/SchemeTest.java
@@ -0,0 +1,78 @@
+package me.bearns.fias;
+
+import me.bearns.fias.domain.Addrobj;
+import me.bearns.fias.domain.FiasVersion;
+import me.bearns.fias.domain.House;
+import me.bearns.fias.repository.AddrobjRepository;
+import me.bearns.fias.repository.HouseRepository;
+import org.junit.Before;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+import org.springframework.boot.test.autoconfigure.orm.jpa.TestEntityManager;
+import org.springframework.test.context.ActiveProfiles;
+
+import java.util.Optional;
+import java.util.UUID;
+
+import static org.assertj.core.api.Assertions.*;
+
+@ActiveProfiles("test")
+@DataJpaTest
+public class SchemeTest {
+
+    private final UUID aoID = UUID.randomUUID();
+    private final UUID firstHouseID = UUID.randomUUID();
+    private final UUID nextHouseID = UUID.randomUUID();
+
+    @Autowired
+    private TestEntityManager entityManager;
+
+    @Autowired
+    private AddrobjRepository addrobjRepository;
+
+    @Autowired
+    private HouseRepository houseRepository;
+
+    @Test
+    public void testSave() {
+
+        final Addrobj addrobj = new Addrobj();
+        addrobj.aoid = aoID;
+        addrobj.aoguid = aoID;
+
+        final House firstHouse = new House();
+        firstHouse.houseid = firstHouseID;
+        firstHouse.houseguid = firstHouseID;
+        firstHouse.aoguid = addrobj;
+
+        final House nextHouse = new House();
+        nextHouse.houseid = nextHouseID;
+        nextHouse.houseguid = nextHouseID;
+        nextHouse.aoguid = addrobj;
+
+        entityManager.persist(addrobj);
+        entityManager.persist(firstHouse);
+        entityManager.persist(nextHouse);
+
+        final Optional<House> firstHouseOpt = houseRepository.findById(firstHouseID);
+        final Optional<House> nextHouseOpt = houseRepository.findById(nextHouseID);
+
+        assertThat(firstHouseOpt.isPresent()).isTrue();
+
+        assertThat(nextHouseOpt.isPresent()).isTrue();
+
+        final House firstHouseRet = firstHouseOpt.orElse(null);
+        final House nextHouseRet = nextHouseOpt.orElse(null);
+
+        assertThat(firstHouseRet).isNotNull();
+        assertThat(nextHouseRet).isNotNull();
+
+        final Addrobj firstAoguid = firstHouseRet.aoguid;
+        final Addrobj nextAoguid = nextHouseRet.aoguid;
+
+        assertThat(firstAoguid.aoguid).isEqualByComparingTo(nextAoguid.aoguid);
+
+
+    }
+}