MockServletContext mockServletContext = new MockServletContext();
mockPageContext = new MockPageContext(mockServletContext);
mockPageContext.getRequest().setAttribute(WebConstants.DANDELION_CONTEXT_ATTRIBUTE, new Context(new MockFilterConfig()));
tableTagBuilder = new TableTagBuilder(Mock.persons, "myTableId").context(mockPageContext).defaultTable();
tableTag = tableTagBuilder.getTableTag();
extraHtmlTag = new ExtraHtmlTag();
extraHtmlTag.setPageContext(mockPageContext);
extraHtmlTag.setParent(tableTag);