skip test on Informix

Author: gavinking

hibernate-core/src/test/java/org/hibernate/orm/test/query/hql/HqlUnionTest.java

@@ -6,14 +6,16 @@
 
 import java.util.List;
 
+import org.hibernate.community.dialect.InformixDialect;
 import org.hibernate.dialect.SybaseASEDialect;
 
 import org.hibernate.testing.orm.junit.JiraKey;
 import org.hibernate.testing.orm.junit.DomainModel;
 import org.hibernate.testing.orm.junit.SessionFactory;
 import org.hibernate.testing.orm.junit.SessionFactoryScope;
 import org.hibernate.testing.orm.junit.SkipForDialect;
-import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 import jakarta.persistence.Entity;
@@ -30,9 +32,10 @@
 @SessionFactory
 @JiraKey(value = "HHH-15766")
 @SkipForDialect(dialectClass = SybaseASEDialect.class, reason = "Sybase ASE does not support order by in subqueries")
+@SkipForDialect(dialectClass = InformixDialect.class, reason = "Informix does not support order by in subqueries")
 public class HqlUnionTest {
 
-	@BeforeAll
+	@BeforeEach
 	public void setUp(SessionFactoryScope scope) {
 		scope.inTransaction(
 				session -> {
@@ -47,6 +50,11 @@ public void setUp(SessionFactoryScope scope) {
 		);
 	}
 
+	@AfterEach
+	public void tearDown(SessionFactoryScope scope) {
+		scope.getSessionFactory().getSchemaManager().truncate();
+	}
+
 	@Test
 	public void testUnionQueryWithOrderBy(SessionFactoryScope scope) {
 		scope.inTransaction(