fix configOptions

Author: nPraml

ebean-datasource/src/test/java/io/ebean/datasource/test/Db2TrustedContextTest.java

@@ -86,8 +86,8 @@ static void before() throws InvocationTargetException, IllegalAccessException {
       .user("unit")
       .password("unit")
       // to change collation, charset and other parameters like pagesize:
-      .configOptions("USING CODESET UTF-8 TERRITORY DE COLLATE USING IDENTITY PAGESIZE 32768")
-      .configOptions("USING STRING_UNITS CODEUNITS32")
+      .createOptions("USING CODESET UTF-8 TERRITORY DE COLLATE USING IDENTITY PAGESIZE 32768")
+      .configOptions("USING STRING_UNITS SYSTEM")
       .build();
 
     container.start();