import { getMessage } from "https://dotland.deno.dev/x/chai@v5.1.2/lib/chai/utils/getMessage.js";
.getMessage(object, message, negateMessage)
Construct the error message based on flags and template tags. Template tags will return a stringified inspection of the object referenced.
Message template tags:
#{this}
current asserted object#{act}
actual value#{exp}
expected value