[aggregator graph] added more assertions in test

dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MigrateDbEntitiesApplicationTest.java

@@ -18,6 +18,7 @@ import java.util.Objects;
 import java.util.Optional;
 import java.util.stream.Collectors;
 
+import eu.dnetlib.dhp.schema.common.ModelConstants;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.junit.jupiter.api.BeforeEach;
@@ -252,6 +253,18 @@ public class MigrateDbEntitiesApplicationTest {
 		assertValidId(r2.getSource());
 		assertEquals(r1.getSource(), r2.getTarget());
 		assertEquals(r2.getSource(), r1.getTarget());
+
+		assertTrue(r1.getSource().startsWith("10|"));
+		assertTrue(r1.getTarget().startsWith("20|"));
+
+		assertEquals(ModelConstants.DATASOURCE_ORGANIZATION, r1.getRelType());
+		assertEquals(ModelConstants.DATASOURCE_ORGANIZATION, r2.getRelType());
+
+		assertEquals(ModelConstants.PROVISION, r1.getSubRelType());
+		assertEquals(ModelConstants.PROVISION, r2.getSubRelType());
+
+		assertEquals(ModelConstants.IS_PROVIDED_BY, r1.getRelClass());
+		assertEquals(ModelConstants.PROVIDES, r2.getRelClass());
 	}
 
 	@Test