fix: lint test error message not printed (#3554)

fix: lint test error message get printed

Before the actual error message wasn't being
printed on failure

Signed-off-by: Nikolas Komonen <[email protected]>

Author: nkomonen-amazon

src/testLint/eslint.test.ts

@@ -13,6 +13,6 @@ describe('eslint', function () {
         const result = runCmd(['./node_modules/.bin/eslint', '-c', '.eslintrc.js', '--ext', '.ts', '.'], {
             throws: false,
         })
-        assert.strictEqual(result.status, 0, result.error)
+        assert.strictEqual(result.status, 0, result.stdout.toString())
     })
 })