function failDeprecatedDeprecated(will be removed after 1.0.0) Import from https://deno.land/std/assert/fail.ts instead. import { fail } from "https://dotland.deno.dev/std@0.221.0/testing/asserts.ts"; fail(msg?: string): neverForcefully throws a failed assertion. ExamplesExample 1 import { fail } from "https://deno.land/std@0.221.0/testing/asserts.ts"; fail("Deliberately failed!"); // Throws Parametersoptionalmsg: stringReturnsnever