**Packages**
* `"react": "^16.13.1"`
* `"eslint-plugin-react-hooks": "^4.0.8"`

The issue #18819 still happens with `eslint-plugin-react-hooks@4.0.8`.

Using the example code from the other issue gives the following errors:

![image](https://user-images.githubusercontent.com/37122343/90794940-59d9a980-e305-11ea-9ec0-98f69b41c280.png)

![image](https://user-images.githubusercontent.com/37122343/90795019-770e7800-e305-11ea-92b8-b64407b0b22c.png)


this.useHook();
          super.useHook();
        }
      }
    `,
    `
      // Valid -- this is a regression test.
      jest.useFakeTimers();
      beforeEach(() => {
        jest.useRealTimers();
      })
    `,
    `
      // Valid because they're not matching use[A-Z].
      fooState();
      use();
      _use();
      _useState();
      use_hook();
      // also valid because it's not matching the PascalCase namespace
      jest.useFakeTimer()
    `,
    `
      // Regression test for some internal code.
      // This shows how the "callback rule" is more relaxed,
      // and doesn't kick in unless we're confident we're in
      // a component or a hook.
      function makeListener(instance) {
        each(pixelsWithInferredEvents, pixel => {
          if (useExtendedSelector(pixel.id) && extendedButton) {