Jasmine test for button

SimpleButtonTest.js

describe('Visual regression Test for Simple Button', () => {
    let browser = null;
    let page = null;
    afterEach(async () => {
        await page.evaluate(element => {
            element.innerHTML = '';
        }, bodyhandle);
        await page.close();
        await browser.close();
    });
    it('Test hover on button will turn it green', async () => {
        const Differencify = require('differencify');
        const differencify = new Differencify({});
        browser = differencify.init({
            testName: 'Test hover on button will turn it green',
            chain: false,
            headless: true,
        });
        jasmine.DEFAULT_TIMEOUT_INTERVAL = 10000;
        await browser.launch();
        page = await browser.newPage();
        await page.setBypassCSP(true);
        await page.setViewport({ width: 1600, height: 1200 });
        await page.addScriptTag({ path: 'SimpleButton.js' });
        const bodyhandle = await page.$('body');
        await page.evaluate(element => {
            element.innerHTML = `<simple-button >Test Button</simple-button>`;
        }, bodyhandle);
        const result1 = await browser.toMatchSnapshot(image);
        expect(result1).toBeTruthy();
        const button = await page.evaluateHandle(() => {
            const btn = document
                .querySelector('simple-button')
                .shadowRoot.querySelector('button');
            return btn;
        });
        await button.hover();
        await page.waitFor(2000);
        const image = await page.screenshot({ path: 'hover.png' });
        const result2 = await browser.toMatchSnapshot(image);
        expect(result2).toBeTruthy();
    });
});