fix test

Author: timea-solid

src/v2/components/loginButton/LoginButton.test.ts

@@ -17,6 +17,8 @@ describe('SolidUILoginButton', () => {
       writable: true,
       value: jest.fn()
     })
+    HTMLDialogElement.prototype.showModal = jest.fn()
+    HTMLDialogElement.prototype.close = jest.fn()
     localStorage.clear()
   })