feat(test) e2e timeout configurable

[bitflower]

Hi,
introduces the possiblity to set the timeout of setContent of newE2EPage and solves #2497.

You have 2 options to set the timeout:

• on page setup
• directly on setContent

Example:

import { newE2EPage } from '@stencil/core/testing';

describe('chart-js-realtime', () => {
  it('renders', async () => {
    const page = await newE2EPage({ timeout: 10000 }); // Option 1

    await page.setContent('<chart-js-realtime></chart-js-realtime>', {
      timeout: 10000 // Option 2
    });
    const element = await page.find('chart-js-realtime');
    expect(element).toHaveClass('hydrated');
  });
});