test: use truly global hook

index.test.js

@@ -1,23 +1,13 @@
 import { jest } from "@jest/globals"
 
-import { runAction, Mute, runJS, ignoreInstalled, testCwd } from "./testutil"
-import fs from "fs"
+import { runAction, Mute, runJS, ignoreInstalled } from "./testutil"
 
 Mute.all()
 
 const NO_TEST_JAVA = !!process.env.NO_TEST_JAVA
 
 beforeAll(() => {
     process.env.RUN_ASYNC = "false"
-    fs.mkdirSync(testCwd)
-})
-
-afterAll(() => {
-    try {
-        fs.rmdirSync(testCwd)
-    } catch (ignored) {
-        // If the folder doesn't exist it's ok
-    }
 })
 
 describe("skipping slow tests", () => {

jest.setup.js

@@ -0,0 +1,14 @@
+import fs from "fs"
+import { testCwd } from "./testutil.js"
+
+beforeAll(() => {
+    fs.mkdirSync(testCwd)
+})
+
+afterAll(() => {
+    try {
+        fs.rmdirSync(testCwd)
+    } catch (ignored) {
+        // If the folder doesn't exist it's ok
+    }
+})

package.json

@@ -57,6 +57,9 @@
       "/node_modules/",
       "testutil.js"
     ],
+    "setupFilesAfterEnv": [
+      "./jest.setup.js"
+    ],
     "testTimeout": 60000
   },
   "engines": {