public void testInterfaceMethodCallWithSpace() {
    Map map = new HashMap();
    DefaultKnowledgeHelper helper = new DefaultKnowledgeHelper();
    map.put("drools",
        helper);
    Cheese cheese = new Cheese("stilton",
        15);
    map.put("cheese",
        cheese);

    executeExpression(compileExpression("drools.retract (cheese)"),
        map);
    assertSame(cheese,
        helper.retracted.get(0));
  }

  @SuppressWarnings({"unchecked"}