bring back the deleted tests

test/parallel/test-http-server-close-destroy-timeout.js

@@ -0,0 +1,13 @@
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const { createServer } = require('http');
+const { kConnectionsCheckingInterval } = require('_http_server');
+
+const server = createServer(function(req, res) {});
+server.listen(0, common.mustCall(function() {
+  assert.strictEqual(server[kConnectionsCheckingInterval]._destroyed, false);
+  server.close(common.mustCall(() => {
+    assert(server[kConnectionsCheckingInterval]._destroyed);
+  }));
+}));

test/parallel/test-https-server-close-destroy-timeout.js

@@ -0,0 +1,24 @@
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+if (!common.hasCrypto) {
+  common.skip('missing crypto');
+}
+
+const { createServer } = require('https');
+const { kConnectionsCheckingInterval } = require('_http_server');
+
+const fixtures = require('../common/fixtures');
+
+const options = {
+  key: fixtures.readKey('agent1-key.pem'),
+  cert: fixtures.readKey('agent1-cert.pem')
+};
+
+const server = createServer(options, function(req, res) {});
+server.listen(0, common.mustCall(function() {
+  assert.strictEqual(server[kConnectionsCheckingInterval]._destroyed, false);
+  server.close(common.mustCall(() => {
+    assert(server[kConnectionsCheckingInterval]._destroyed);
+  }));
+}));