maybe this works instead

Author: GhadimiR

packages/cache/__tests__/__fixtures__/index.js

@@ -11,4 +11,7 @@ fs.appendFileSync(filePath, `GITHUB_RUN_ID=${process.env.GITHUB_RUN_ID}${os.EOL}
 })
 fs.appendFileSync(filePath, `ACTIONS_CACHE_SERVICE_V2=true${os.EOL}`, {
     encoding: 'utf8'
+})
+fs.appendFileSync(filePath, `ACTIONS_RESULTS_URL=${process.env.ACTIONS_RESULTS_URL}${os.EOL}`, {
+    encoding: 'utf8'
 })