HHH-15228 test showing round() works with BigDecimal

Author: gavinking

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

@@ -525,6 +525,8 @@ public void testMathFunctions(SessionFactoryScope scope) {
 							.list();
 					session.createQuery("select round(cast(e.theDouble as BigDecimal), 3) from EntityOfBasics e", BigDecimal.class)
 							.list();
+					assertThat( session.createQuery("select round(1.2345bd, 2)").getSingleResult(),
+							isOneOf(BigDecimal.valueOf(1.23), BigDecimal.valueOf(1.2300)) );
 					assertThat( session.createQuery("select abs(-2)", Integer.class).getSingleResult(), is(2) );
 					assertThat( session.createQuery("select sign(-2)", Integer.class).getSingleResult(), is(-1) );
 					assertThat(