diff --git a/test/config/fixtures/exec-args-fixtures/vmThreads.test.ts b/test/config/fixtures/exec-args-fixtures/vmThreads.test.ts
index 04ee85f6e2fe..a46128448935 100644
--- a/test/config/fixtures/exec-args-fixtures/vmThreads.test.ts
+++ b/test/config/fixtures/exec-args-fixtures/vmThreads.test.ts
@@ -2,14 +2,15 @@ import { describe, expect, it } from 'vitest'
 
 describe('exec-args', async () => {
   it('should have the correct flags', () => {
-    expect(process.execArgv).toContain('--inspect-brk')
+    const execArgv = process.execArgv.map((arg) => arg.replace(/\\/g, '/'))
+    expect(execArgv).toContain('--inspect-brk')
 
     // added via vitest
-    expect(process.execArgv).toContain('--experimental-import-meta-resolve')
-    expect(process.execArgv).toContain('--experimental-vm-modules')
-    expect(process.execArgv).toContain('--require')
-    expect(process.execArgv).toContainEqual(expect.stringContaining('/packages/vitest/suppress-warnings.cjs'))
-    expect(process.execArgv).toContain('--conditions')
-    expect(process.execArgv).toContain('node')
+    expect(execArgv).toContain('--experimental-import-meta-resolve')
+    expect(execArgv).toContain('--experimental-vm-modules')
+    expect(execArgv).toContain('--require')
+    expect(execArgv).toContainEqual(expect.stringContaining('/packages/vitest/suppress-warnings.cjs'))
+    expect(execArgv).toContain('--conditions')
+    expect(execArgv).toContain('node')
   })
 })
diff --git a/test/dts-fixture/package.json b/test/dts-fixture/package.json
index 265568018441..8824f2d03661 100644
--- a/test/dts-fixture/package.json
+++ b/test/dts-fixture/package.json
@@ -3,7 +3,7 @@
   "type": "module",
   "private": true,
   "scripts": {
-    "build": "rm -rf dist && tsc -p tsconfig.json",
+    "build": "rimraf dist && tsc -p tsconfig.json",
     "check": "tsc -p tsconfig.check.json",
     "test": "pnpm build && pnpm check"
   },
diff --git a/test/snapshots/generate.mjs b/test/snapshots/generate.mjs
new file mode 100644
index 000000000000..71ea91c3722e
--- /dev/null
+++ b/test/snapshots/generate.mjs
@@ -0,0 +1,10 @@
+import { cpSync, mkdirSync, rmSync } from 'node:fs'
+import { dirname, resolve } from 'node:path'
+import { fileURLToPath } from 'node:url'
+
+const snapshots = dirname(fileURLToPath(import.meta.url))
+const dest = resolve(snapshots, 'test-update')
+
+rmSync(dest, { recursive: true, force: true })
+mkdirSync(dest)
+cpSync(resolve(snapshots, './test/fixtures/test-update'), dest, { recursive: true })
diff --git a/test/snapshots/package.json b/test/snapshots/package.json
index a5b783fedc9a..0e54f05c0690 100644
--- a/test/snapshots/package.json
+++ b/test/snapshots/package.json
@@ -4,7 +4,7 @@
   "private": true,
   "scripts": {
     "test": "pnpm run test:generate && pnpm run test:update && pnpm test:update-new && pnpm test:update-none && pnpm run test:snaps",
-    "test:generate": "rm -rf ./test-update && cp -r ./test/fixtures/test-update ./test-update",
+    "test:generate": "node ./generate.mjs",
     "test:snaps": "vitest run --dir test",
     "test:update": "vitest run -u --dir test-update",
     "test:update-none": "CI=true vitest run --dir test-update",