Change Components into PureComponents in test suite

Author: wojtekmaj

test/LocaleOptions.jsx

@@ -1,7 +1,7 @@
-import React, { Component } from 'react';
+import React, { PureComponent } from 'react';
 import PropTypes from 'prop-types';
 
-export default class LocaleOptions extends Component {
+export default class LocaleOptions extends PureComponent {
   onChange = (event) => {
     let { value: locale } = event.target;
 

test/MaxDetailOptions.jsx

@@ -1,9 +1,9 @@
-import React, { Component } from 'react';
+import React, { PureComponent } from 'react';
 import PropTypes from 'prop-types';
 
 const allViews = ['hour', 'minute', 'second'];
 
-export default class MaxDetailOptions extends Component {
+export default class MaxDetailOptions extends PureComponent {
   onChange = (event) => {
     const { value } = event.target;
 

test/Test.jsx

@@ -1,4 +1,4 @@
-import React, { Component } from 'react';
+import React, { PureComponent } from 'react';
 import DateTimePicker from 'react-datetime-picker/src/entry';
 
 import ValidityOptions from './ValidityOptions';
@@ -11,7 +11,7 @@ import './Test.less';
 
 const now = new Date();
 
-export default class Test extends Component {
+export default class Test extends PureComponent {
   state = {
     locale: null,
     maxDate: null,

test/ValidityOptions.jsx

@@ -1,9 +1,9 @@
-import React, { Component } from 'react';
+import React, { PureComponent } from 'react';
 import PropTypes from 'prop-types';
 
 import { getISOLocalDateTime } from '../src/shared/dates';
 
-export default class ValidityOptions extends Component {
+export default class ValidityOptions extends PureComponent {
   onMinChange = (event) => {
     const { value } = event.target;
 

test/ValueOptions.jsx

@@ -1,17 +1,17 @@
-import React, { Component } from 'react';
+import React, { PureComponent } from 'react';
 import PropTypes from 'prop-types';
 
 import { getISOLocalDateTime } from '../src/shared/dates';
 
-export default class ValueOptions extends Component {
-  setValue = value => this.props.setState({ value });
-
+export default class ValueOptions extends PureComponent {
   onChange = (event) => {
     const { value } = event.target;
 
     this.setValue(value ? new Date(value) : value);
   }
 
+  setValue = value => this.props.setState({ value });
+
   render() {
     const { value } = this.props;
 

test/ViewOptions.jsx

@@ -1,7 +1,7 @@
-import React, { Component } from 'react';
+import React, { PureComponent } from 'react';
 import PropTypes from 'prop-types';
 
-export default class ViewOptions extends Component {
+export default class ViewOptions extends PureComponent {
   onShowLeadingZerosChange = (event) => {
     const { checked } = event.target;