test: move test-net-connect-handle-econnrefused

The port used in the test could be taken by another process before
the callback of `server.close()` is called. Move it to sequential.

PR-URL: https://github.com/nodejs/node/pull/27014
Fixes: https://github.com/nodejs/node/issues/26907
Refs: https://github.com/nodejs/node/pull/18257#discussion_r162717096
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/test/sequential/test-net-connect-handle-econnrefused.js b/test/sequential/test-net-connect-handle-econnrefused.js
new file mode 100644
index 0000000000..c1ccfc2338
--- /dev/null
+++ b/test/sequential/test-net-connect-handle-econnrefused.js
@@ -0,0 +1,36 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+const common = require('../common');
+const net = require('net');
+const assert = require('assert');
+
+const server = net.createServer();
+server.listen(0);
+const port = server.address().port;
+server.close(common.mustCall(() => {
+  const c = net.createConnection(port);
+  c.on('connect', common.mustNotCall());
+  c.on('error', common.mustCall((e) => {
+    assert.strictEqual(e.code, 'ECONNREFUSED');
+  }));
+}));