fix: local test (#480)

Author: gioboa

tests/platform/element-style/element-style.spec.ts

@@ -10,7 +10,7 @@ test('element style', async ({ page }) => {
 
   const testBeforeAppend = page.locator('#testBeforeAppend');
   await expect(testBeforeAppend).toHaveCSS('color', 'rgb(0, 128, 0)');
-  await expect(testBeforeAppend).toHaveCSS('fontWeight', '800');
+  await expect(testBeforeAppend).toHaveCSS('font-weight', '800');
   await expect(testBeforeAppend).toHaveText('green');
 
   const testGetExisting = page.locator('#testGetExisting');