Button and Nav tests

webapp/src/components/Button/Button.test.js

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+import React from 'react';
+import { render, fireEvent, screen, waitFor } from '@testing-library/react';
+import Button from './Button';
+import '@testing-library/jest-dom'
+
+describe('Button component', () => {
+    it ('renders without crashing', () => {
+        render(<Button>Hello!</Button>)
+
+        expect(screen.getByText(/Hello!/i)).toBeInTheDocument();
+    })
+})

webapp/src/components/Nav/Nav.test.js

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+import React from 'react';
+import { render, fireEvent, screen, waitFor } from '@testing-library/react';
+import Nav from './Nav';
+import '@testing-library/jest-dom'
+import { Routes, BrowserRouter, Route } from 'react-router-dom'
+
+describe('Nav component', () => {
+    it ('renders Nap without crashing', () => {
+
+        render (<BrowserRouter>
+        <Routes>
+            <Route path="/" element={< Nav openNav={true} onToggleNav={() => {}} />}></Route>
+        </Routes>
+        </BrowserRouter>)
+        expect(screen.getByText(/Leaderboard/i)).toBeInTheDocument();
+        expect(screen.getByText(/Settings/i)).toBeInTheDocument();
+        expect(screen.getByText(/Play/i)).toBeInTheDocument();
+    })
+})