diff --git a/packages/cli-kit/src/private/node/temp-dir.test.ts b/packages/cli-kit/src/private/node/temp-dir.test.ts
new file mode 100644
index 00000000000..63debffcd90
--- /dev/null
+++ b/packages/cli-kit/src/private/node/temp-dir.test.ts
@@ -0,0 +1,13 @@
+import {systemTempDir} from './temp-dir.js'
+import {describe, test, expect} from 'vitest'
+import {stat} from 'fs/promises'
+
+describe('systemTempDir', () => {
+  test('is exported as a non-empty string pointing to an existing directory', async () => {
+    expect(typeof systemTempDir).toBe('string')
+    expect(systemTempDir.length).toBeGreaterThan(0)
+
+    const stats = await stat(systemTempDir)
+    expect(stats.isDirectory()).toBe(true)
+  })
+})