Hi I made a unit test in order to compare two lists but it’s returning the following error: == Compilation error in file test/prepend_test.exs == ** (CompileError) test/prepend_test.exs:1: undefined function test/2 (elixir 1.10.3) lib/kernel/parallel_compiler.ex:396: Kernel.ParallelCompiler.re…

you need to define your test inside a: defmodule MyTest do use ExUnit.Case (...) end