corrected file path for About, Contact, Header, and Settings react tests; installed jest globally and ts-node

Author: stephenhyang

__tests__/components/About.test.tsx

@@ -1,6 +1,6 @@
 import React from 'react';
 import { render, screen } from '@testing-library/react';
-import About from '../../app/components/About';
+import About from '../../app/components/About/About';
 import DashboardContextProvider from '../../app/context/DashboardContext';
 
 describe('About Page', () => {

__tests__/components/Contact.test.tsx

@@ -1,6 +1,6 @@
 import React from 'react';
 import { render, screen } from '@testing-library/react';
-import Contact from '../../app/components/Contact';
+import Contact from '../../app/components/Contact/Contact';
 import DashboardContextProvider from '../../app/context/DashboardContext';
 
 describe('Contact Page', () => {

__tests__/components/Header.test.tsx

@@ -2,7 +2,7 @@
 /* eslint-disable import/no-named-as-default-member */
 import React from 'react';
 import { render, fireEvent, screen } from '@testing-library/react';
-import Header from '../../app/components/Header';
+import Header from '../../app/components/Header/Header';
 import { DashboardContext } from '../../app/context/DashboardContext';
 import { ApplicationContext } from '../../app/context/ApplicationContext';
 import { HashRouter as Router } from 'react-router-dom';

__tests__/components/Settings.test.tsx

@@ -1,6 +1,6 @@
 import React from 'react';
 import { render, fireEvent, screen } from '@testing-library/react';
-import Settings from '../../app/components/Settings';
+import Settings from '../../app/components/Setting/Setting';
 import { DashboardContext } from '../../app/context/DashboardContext';
 import '@testing-library/jest-dom';