Name:
Dictionary Should Contain Value
Source:
Collections <test library>
Arguments:
[ dictionary | value | msg=None ]
Fails if `value` is not found from `dictionary`.
See `List Should Contain Value` for an explanation of `msg`.
The given dictionary is never altered by this keyword.
场景1：
场景2：打印默认的错误信息
场景3：msg=${D1} does not contain value 23!!
