fix 02-state in tdd

Author: Kent C. Dodds

src/post-editor-02-state.js

@@ -1,10 +1,14 @@
 import React from 'react'
 
 class Editor extends React.Component {
- state = {isSaving: true}
+ state = {isSaving: false}
+ handleSubmit = e => {
+ e.preventDefault()
+ this.setState({isSaving: true})
+ }
  render() {
  return (
- <form>
+ <form onSubmit={this.handleSubmit}>
  <label htmlFor="title-input">Title</label>
  <input id="title-input" />