fix(core): update

test/test.ts

@@ -8,7 +8,12 @@ tap.test('first test', async () => {
   expect(testDetector).to.be.instanceOf(detector.Detector);
 });
 
-tap.test('should detect an open port', async () => {
+tap.test('should detect an closed port on a local domain', async () => {
+  const result = await testDetector.isActive('http://localhost:3008');
+  expect(result).to.be.false;
+});
+
+tap.test('should detect an open port on a remote domain', async () => {
   const result = await testDetector.isActive('https://lossless.com');
   expect(result).to.be.true;
 });