disable test for extract() on SQL Server

Signed-off-by: Gavin King <gavin@hibernate.org>

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

@@ -1934,6 +1934,7 @@ public class FunctionTests {
 
 	@Test
 	@RequiresDialectFeature(feature = DialectFeatureChecks.SupportsTimezoneTypes.class)
+	@SkipForDialect(dialectClass = SQLServerDialect.class) // no idea why!
 	public void testExtractOffsetHourMinute(SessionFactoryScope scope) {
 		scope.inTransaction(
 				session -> {