test: improve test coverage

Author: sectsect

package.json

@@ -85,6 +85,7 @@
     "@typescript-eslint/eslint-plugin": "^5.57.0",
     "@typescript-eslint/parser": "^5.57.0",
     "@vitest/coverage-c8": "^0.29.8",
+    "@vue/test-utils": "^2.3.2",
     "babel-preset-solid": "^1.7.1",
     "eslint": "8.37.0",
     "eslint-config-airbnb-base": "^15.0.0",

pnpm-lock.yaml

@@ -1,6 +1,6 @@
 import { render, screen, within } from '@solidjs/testing-library';
 import { expect, describe, test, vi, beforeAll } from 'vitest';
-
+import { mount } from '@vue/test-utils';
 import { HidingHeader } from '@/index';
 
 describe('HidingHeader component', () => {
@@ -16,6 +16,11 @@ describe('HidingHeader component', () => {
     // now you can access it as `ResizeObserver` or `window.ResizeObserver`
   });
 
+  test('should exists', () => {
+    const wrapper = mount(HidingHeader)
+    expect(wrapper).toBeTruthy()
+  });
+
   test('is assigned a <div> tag', () => {
     render(() => (
       <HidingHeader>Header</HidingHeader>