Migrate test to dev:test in standalone script

mise.toml

@@ -13,9 +13,3 @@ gh = 'latest'
 
 [task_config]
 includes = ["scripts"]
-
-# DEVELOPMENT/TEST
-
-[tasks.test]
-description = 'Run project tests'
-run = 'mix test'

scripts/dev/test

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+#MISE description="Run project tests"
+
+set -e
+
+source "$(dirname "$0")/../_helpers.sh"
+
+ensure_working_directory!
+
+mix test