SimpleContext context;
TreeStore store = new TreeStore(new Builder(), null);
@Override
protected void setUp() throws Exception {
context = new SimpleContext(new SimpleResolver(new BeanELResolver()));
context.getELResolver().setValue(context, null, "base", this);
// variables var_long_1, var_long_2
context.setVariable("var_long_1", new TreeValueExpression(store, null, null, "${1}", long.class));
context.setVariable("var_long_2", new TreeValueExpression(store, null, null, "${1}", long.class));