HHH-9523 : EnumeratedTypeTest - select from dual causes test failures on mssql, postgresql, db2 and sybase

(cherry picked from commit 264b0be)

Author: gbadner

hibernate-core/src/test/java/org/hibernate/test/annotations/enumerated/EntityEnum.java

@@ -55,7 +55,7 @@ enum Trimmed {
 	@Enumerated(EnumType.STRING)
 	private Trimmed trimmed;
 
-	@Formula("(select 'A' from dual)")
+	@Formula("upper('a')")
 	@Enumerated(EnumType.STRING)
 	private Trimmed formula;