test: add checkbox test

front/src/components/form/__tests__/Checkbox.test.tsx

@@ -0,0 +1,12 @@
+import { render } from '@testing-library/react';
+
+import { RegularCheckbox } from '../__stories__/Checkbox.stories';
+
+it('Checks the NavItem renders', () => {
+  const { getByTestId } = render(<RegularCheckbox />);
+
+  expect(getByTestId('input-checkbox')).toHaveAttribute(
+    'name',
+    'selected-company-1',
+  );
+});