adding tests

__tests__/render_home_page.test.js

@@ -0,0 +1,22 @@
+import { render, screen, fireEvent, waitFor } from '@testing-library/react';
+import '@testing-library/jest-dom';
+import Home from "../src/app/page";
+import { customLog, customLogClear } from '../src/app/scripts';
+
+jest.mock('../src/app/scripts', () => ({
+    customLog: jest.fn(),
+    customLogClear: jest.fn(),
+}));
+
+jest.mock('../src/solver/glpk.min.js', () => ({
+    LPF_ECOND: 2,
+}));
+
+test('render home page', () => {
+    // render website
+    render(<Home />);
+
+    // check if text is in document
+    const headingElement = screen.getByText(/OR-Tool/i);  // text search in document
+    expect(headingElement).toBeInTheDocument();
+});