How to test expression rules with rule inputs having more than 4000 characters?

Hello [mention:bb176b67c26c4e89b2173f39160c9f46:e9ed411860ed4f2ba0265705b8793d05] 

create a separate expression rule if it is some sort of data set and call that ER in the test inputs. If texts or any numbers or such values, create constants and call those.

Call your ER from another ER.. in that case you wont find that limitation....