HHH-19846 - Drop JUnit 4 usage

Cannot convert...
* org.hibernate.orm.test.hql.PostgreSQLFunctionSelectClauseTest - registering custom function
* org.hibernate.orm.test.hql.PostgreSQLFunctionWhereClauseTest - aux-db-object
* org.hibernate.orm.test.id.usertype - type registrations
* org.hibernate.orm.test.idgen.enhanced.HiloOptimizerConcurrencyTest - recreation of SF during tests

Author: sebersole

hibernate-core/src/test/java/org/hibernate/orm/test/idgen/foreign/ForeignGeneratorResourceLocalTest.java

@@ -29,7 +29,6 @@
 import org.hibernate.testing.orm.junit.JiraKey;
 import org.hibernate.testing.orm.junit.EntityManagerFactoryScope;
 import org.hibernate.testing.orm.junit.Jpa;
-import org.hibernate.testing.orm.junit.SessionFactoryScope;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Test;
 
@@ -49,7 +48,7 @@ public class ForeignGeneratorResourceLocalTest {
 	private static final Logger log = Logger.getLogger( ForeignGeneratorResourceLocalTest.class );
 
 	@AfterEach
-	void dropTestData(SessionFactoryScope factoryScope) {
+	void dropTestData(EntityManagerFactoryScope factoryScope) {
 		factoryScope.dropData();
 	}
 

hibernate-core/src/test/java/org/hibernate/orm/test/idgen/userdefined/ExportableValueGeneratorTest.java

@@ -21,7 +21,6 @@
 import org.hibernate.generator.OnExecutionGenerator;
 import org.hibernate.testing.orm.junit.EntityManagerFactoryScope;
 import org.hibernate.testing.orm.junit.Jpa;
-import org.hibernate.testing.orm.junit.SessionFactoryScope;
 import org.hibernate.testing.orm.junit.SkipForDialect;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Test;
@@ -39,7 +38,7 @@
 @SkipForDialect( dialectClass = MySQLDialect.class)
 public class ExportableValueGeneratorTest {
 	@AfterEach
-	void dropTestData(SessionFactoryScope factoryScope) {
+	void dropTestData(EntityManagerFactoryScope factoryScope) {
 		factoryScope.dropData();
 	}
 

hibernate-testing/src/main/java/org/hibernate/testing/orm/junit/EntityManagerFactoryScope.java

@@ -38,4 +38,7 @@ default Dialect getDialect() {
 		return ((SessionFactoryImplementor) getEntityManagerFactory()).getJdbcServices().getDialect();
 	}
 
+	default void dropData() {
+		((SessionFactoryImplementor) getEntityManagerFactory()).getSchemaManager().truncateMappedObjects();
+	}
 }