What is a synonym for covenant tupperware promise covering or test?

It's difficult to provide a single synonym for all those words because they have different shades of meaning. Here's a breakdown and some possible synonyms:

* Covenant: This refers to a formal agreement or contract, often with religious or legal implications. Synonyms could be:

* Agreement

* Pact

* Treaty

* Contract

* Bond

* Tupperware: This is a brand name for plastic food containers, but it can also be used as a general term for such containers. Synonyms:

* Food container

* Storage container

* Lunchbox

* Plastic container

* Promise: This implies a commitment to do something or fulfill a condition. Synonyms:

* Vow

* Guarantee

* Assurance

* Pledge

* Covering: This refers to something that protects or conceals something else. Synonyms:

* Shield

* Protection

* Wrappings

* Encasement

* Test: This implies an evaluation or assessment of something. Synonyms:

* Trial

* Assessment

* Evaluation

* Examination

If you can give me more context about what you're trying to convey, I can help you find a more specific synonym!