Prepare to move to @holllo/test.

package.json

@@ -8,16 +8,10 @@
     "type": "git",
     "url": "https://git.bauke.xyz/Holllo/migration-helper"
   },
-  "scripts": {
-    "build": "tsc",
-    "prepublishOnly": "pnpm test && pnpm build",
-    "test": "xo && c8 ava && tsc --noEmit"
-  },
   "devDependencies": {
-    "ava": "^6.1.0",
-    "c8": "^9.1.0",
+    "@holllo/test": "^0.2.1",
     "trash-cli": "^5.0.0",
-    "ts-node": "^10.9.2",
+    "tsx": "^4.7.0",
     "typescript": "^5.3.3",
     "xo": "^0.56.0"
   },
@@ -30,31 +24,6 @@
     "LICENSE",
     "README.md"
   ],
-  "ava": {
-    "extensions": {
-      "ts": "module"
-    },
-    "files": [
-      "tests/**/*.ts"
-    ],
-    "nodeArguments": [
-      "--loader=ts-node/esm",
-      "--no-warnings"
-    ]
-  },
-  "c8": {
-    "100": true,
-    "all": true,
-    "include": [
-      "source",
-      "tests"
-    ],
-    "reportDir": "coverage",
-    "reporter": [
-      "text",
-      "html"
-    ]
-  },
   "xo": {
     "prettier": true,
     "rules": {