add test

Author: nstepien

test/visual/basicGrid.test.tsx

@@ -52,3 +52,9 @@ test('basic grid', async () => {
 
   await expect(getGrid()).toMatchScreenshot('basic-grid');
 });
+
+test('color', async () => {
+  await page.render(<div style={{ color: 'red' }}>color test</div>);
+
+  await expect(page.getByText('color test')).toMatchScreenshot('color');
+});