Draft: Cache/Test: add unit test for context cache
Add unit test for cache as mentioned in https://hackmd.io/@yrg/SyBubvs5O.
To run test:
dune build @src/lib_protocol_environment/runtest_cacheAdd unit test for cache as mentioned in https://hackmd.io/@yrg/SyBubvs5O.
To run test:
dune build @src/lib_protocol_environment/runtest_cache