Add test

Author: eps1lon

src/__tests__/role.js

@@ -343,6 +343,12 @@ Here are the accessible roles:
 `)
 })
 
+test('has no useful error message in findBy', async () => {
+  const {findByRole} = render(`<li />`)
+
+  await expect(findByRole('option', {timeout: 1})).rejects.toThrow('Unable to find role="option"')
+})
+
 describe('configuration', () => {
   let originalConfig
   beforeEach(() => {