fix tests not compiling

client/src/pages/admin/components/CompetitionManager.test.tsx

 import { render } from '@testing-library/react'
 import React from 'react'
+import { BrowserRouter } from 'react-router-dom'
 import CompetitionManager from './CompetitionManager'
 
 it('renders competition manager', () => {
-  render(<CompetitionManager />)
+  render(
+    <BrowserRouter>
+      <CompetitionManager />
+    </BrowserRouter>
+  )
 })

client/src/pages/login/components/AdminLogin.test.tsx

+import { render } from '@testing-library/react'
+import React from 'react'
+import AdminLogin from './AdminLogin'
+
+it('renders admin login', () => {
+  render(<AdminLogin />)
+})

client/src/pages/login/components/CompetitionLogin.test.tsx

+import { render } from '@testing-library/react'
+import React from 'react'
+import CompetitionLogin from './CompetitionLogin'
+
+it('renders competition login', () => {
+  render(<CompetitionLogin />)
+})