From 55895ef678cf38ca6637f5da53a66f271a967954 Mon Sep 17 00:00:00 2001
From: Henry Mercer <henrymercer@github.com>
Date: Tue, 28 Oct 2025 12:45:22 +0000
Subject: [PATCH] Stub `GITHUB_WORKSPACE` in test

---
 src/util.test.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/util.test.ts b/src/util.test.ts
index 406f2532c..be08a9489 100644
--- a/src/util.test.ts
+++ b/src/util.test.ts
@@ -536,6 +536,7 @@ test("getCgroupCpuCountFromCpus returns undefined if the CPU file exists but is
 });
 
 test("checkDiskUsage succeeds and produces positive numbers", async (t) => {
+  process.env["GITHUB_WORKSPACE"] = os.tmpdir();
   const diskUsage = await util.checkDiskUsage(getRunnerLogger(true));
   t.true(
     diskUsage?.numAvailableBytes !== undefined &&