fix(challenges): Fix test on react challenge that was always passing (#16558)

challenges/03-front-end-libraries/react.json

@@ -1340,7 +1340,7 @@
         "assert(Enzyme.mount(React.createElement(MyComponent)).state('name') === 'Initial State', 'message: The state of <code>MyComponent</code> should initialize with the key value pair <code>{ name: Initial State }</code>.');",
         "assert(Enzyme.mount(React.createElement(MyComponent)).find('h1').length === 1, 'message: <code>MyComponent</code> should render an <code>h1</code> header.');",
         "async () => { const waitForIt = (fn) => new Promise((resolve, reject) => setTimeout(() => resolve(fn()), 250)); const mockedComponent = Enzyme.mount(React.createElement(MyComponent)); const first = () => { mockedComponent.setState({ name: 'TestName' }); return waitForIt(() => mockedComponent.html()); }; const firstValue = await first(); assert(/<h1>TestName<\\/h1>/.test(firstValue), 'message: The rendered <code>h1</code> header should contain text rendered from the component&apos;s state.'); };",
-        "async () => { const waitForIt = (fn) => new Promise((resolve, reject) => setTimeout(() => resolve(fn()), 250)); const mockedComponent = Enzyme.mount(React.createElement(MyComponent)); const first = () => { mockedComponent.setState({ name: 'Before' }); return waitForIt(() => mockedComponent.state('name')); }; const second = () => { mockedComponent.setState({ name: 'React Rocks!' }); return waitForIt(() => mockedComponent.state('name')); }; const firstValue = await first(); const secondValue = await second(); assert(firstValue === 'Before' && secondValue === 'React Rocks!', 'message: Calling the <code>handleClick</code> method on <code>MyComponent</code> should set the name property in state to equal <code>React Rocks!</code>.'); }; "
+        "async () => { const waitForIt = (fn) => new Promise((resolve, reject) => setTimeout(() => resolve(fn()), 250)); const mockedComponent = Enzyme.mount(React.createElement(MyComponent)); const first = () => { mockedComponent.setState({ name: 'Before' }); return waitForIt(() => mockedComponent.state('name')); }; const second = () => { mockedComponent.instance().handleClick(); return waitForIt(() => mockedComponent.state('name')); }; const firstValue = await first(); const secondValue = await second(); assert(firstValue === 'Before' && secondValue === 'React Rocks!', 'message: Calling the <code>handleClick</code> method on <code>MyComponent</code> should set the name property in state to equal <code>React Rocks!</code>.'); };"
       ],
       "solutions": [
         "class MyComponent extends React.Component {\n  constructor(props) {\n    super(props);\n    this.state = {\n      name: 'Initial State'\n    };\n    this.handleClick = this.handleClick.bind(this);\n  }\n  handleClick() {\n     // change code below this line\n    this.setState({\n      name: 'React Rocks!'\n    });\n    // change code above this line\n  }\n  render() {\n    return (\n      <div>\n        <button onClick = {this.handleClick}>Click Me</button>\n        <h1>{this.state.name}</h1>\n      </div>\n    );\n  }\n};"