add eslint plugin unicorn

test/env.ts

@@ -1,10 +0,0 @@
-import "dotenv/config.js"
-import { raise } from "../src/helpers/raise.js"
-
-function getEnv(name: string) {
-  return process.env[name] ?? raise(`Missing environment variable: ${name}`)
-}
-
-export const testBotToken = getEnv("TEST_BOT_TOKEN")
-export const testGuildId = getEnv("TEST_GUILD_ID")
-export const testChannelId = getEnv("TEST_CHANNEL_ID")