fix: fix test

src/elements/core/controllers/language-controller.spec.ts

@@ -74,27 +74,4 @@ describe('LanguageController', () => {
     await aTimeout(0);
     expect(state.counter).to.equal(2);
   });
-
-  // This test can only be run in isolation, as LanguageController has global state.
-  // It is possible to verify this test by switching it to it.only.
-  // eslint-disable-next-line no-constant-condition
-  if (!'must be run in isolation') {
-    it('should only update language if connected', async () => {
-      document.documentElement.setAttribute('lang', 'fr');
-      await aTimeout(0);
-      expect(controller.current).to.equal('fr', 'Language should be detected when connected');
-      controller.hostDisconnected();
-
-      document.documentElement.setAttribute('lang', 'en');
-      await aTimeout(0);
-
-      expect(controller.current).to.equal('fr', 'Language should not be update when disconnected');
-
-      controller.hostConnected();
-      expect(controller.current).to.equal(
-        'en',
-        'Language should immediately be update when connected',
-      );
-    });
-  }
 });