1.should be equal 和should be not equal :比较两个值相等或不相等
2.should start with 和should not start with :判断以该内容开头或不是以该内容开头
3.should end with 和should not end with :判断以该内容结束或不是以该内容结束
4.页面的断言
Page Should Contain | text 验证页面存在文本内容
Page Should Not Contain | text 验证页面不存在文本内容
Element Should Be Disabled | locator 验证元素被禁用
Element Should Be Enabled | locator 验证元素可用
Element Should Be Visible | locator | message= 验证元素可见，不可见则输出message
Element Should Contain | locator | expected | message= 验证元素包含expected，不包含则输出message
Element Text Should Be | locator | expected | message= 验证元素完全包含expected，不完全包含则输出message