test: add known issue for fs.open() keeping event loop open

PR-URL: #34228
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Richard Lau <[email protected]>
Reviewed-By: Ben Noordhuis <[email protected]>
Reviewed-By: Robert Nagy <[email protected]>

Author: Trott

test/known_issues/known_issues.status

@@ -27,3 +27,5 @@ test-vm-timeout-escape-queuemicrotask: SKIP
 # The Raspberry Pis are too slow to run this test.
 # See https://github.com/nodejs/build/issues/2227#issuecomment-608334574
 test-crypto-authenticated-stream: SKIP
+# The bug being checked is that the test never exits.
+test-fs-open-no-close: TIMEOUT

test/known_issues/test-fs-open-no-close.js

@@ -0,0 +1,30 @@
+'use strict';
+
+// Failing to close a file should not keep the event loop open.
+
+const common = require('../common');
+
+// This issue only shows up on Raspberry Pi devices in our CI. When this test is
+// moved out of known_issues, this check can be removed, as the test should pass
+// on all platforms at that point.
+const assert = require('assert');
+if (process.arch !== 'arm' || process.config.variables.arm_version > 7) {
+  assert.fail('This test is for Raspberry Pi devices in CI');
+}
+
+const fs = require('fs');
+
+const debuglog = (arg) => {
+  console.log(new Date().toLocaleString(), arg);
+};
+
+const tmpdir = require('../common/tmpdir');
+tmpdir.refresh();
+
+{
+  fs.open(`${tmpdir.path}/dummy`, 'wx+', common.mustCall((err, fd) => {
+    debuglog('fs open() callback');
+    assert.ifError(err);
+  }));
+  debuglog('waiting for callback');
+}