Fix test

__tests__/main.test.ts

@@ -1,19 +1,48 @@
 import * as process from 'process'
 import * as cp from 'child_process'
 import * as path from 'path'
+import * as fs from 'fs'
+import * as os from 'os'
 import {expect, test} from '@jest/globals'
 
 test('test runs', () => {
+  let testTmp = fs.mkdtempSync(path.join(os.tmpdir(), 'test-'))
+  let runnerToolCache = path.join(testTmp, 'runner-tool-cache')
+  let runnerTemp = path.join(testTmp, 'runner-temp')
+
   process.env['INPUT_XCRESULT-PATH'] = '__tests__/data/build.xcresult'
   process.env['INPUT_PATH-ROOT'] = '/'
   process.env['INPUT_FAIL-ON-ERROR'] = 'false'
   process.env['INPUT_FAIL-ON-WARNING'] = 'false'
   process.env['INPUT_FAIL-ON-ANALYZER-WARNING'] = 'false'
   process.env['INPUT_FAIL-ON-TEST-FAILURE'] = 'false'
+  process.env['INPUT_FAIL-ON-EXTERNAL-WARNING'] = 'false'
+  process.env['RUNNER_TOOL_CACHE'] = runnerToolCache
+  process.env['RUNNER_TEMP'] = runnerTemp
   const np = process.execPath
   const ip = path.join(__dirname, '..', 'lib', 'main.js')
   const options: cp.ExecFileSyncOptions = {
     env: process.env
   }
-  console.log(cp.execFileSync(np, [ip], options).toString())
+  try {
+    let result = cp.execFileSync(np, [ip], options)
+    console.log(result.toString())
+  } catch (err) {
+    if (hasStdOut(err)) {
+      console.log('stdout', err.stdout.toString())
+    }
+    if (hasStdError(err)) {
+      console.log('stderr', err.stderr.toString())
+    }
+  } finally {
+    fs.rmSync(testTmp, {recursive: true})
+  }
 })
+
+function hasStdOut(err: any): err is {stdout: string} {
+  return !!err.stderr
+}
+
+function hasStdError(err: any): err is {stderr: string} {
+  return !!err.stderr
+}