Fixtures nits (facebook#13375)

* fix: PropTypes failing in textarea fixtures

* fix: Iframe title attribute in fixtures

* Make description a optional prop in FixtureSet

Author: raunofreiberg

fixtures/dom/src/components/FixtureSet.js

@@ -3,7 +3,7 @@ const React = window.React;
 
 const propTypes = {
   title: PropTypes.node.isRequired,
-  description: PropTypes.node.isRequired,
+  description: PropTypes.node,
 };
 
 class FixtureSet extends React.Component {

fixtures/dom/src/components/Iframe.js

@@ -32,6 +32,7 @@ class IframePortal extends React.Component {
     return (
       <div>
         <iframe
+          title="Iframe portal"
           style={{border: 'none', height: this.props.height}}
           ref={this.handleRef}
         />

fixtures/dom/src/components/fixtures/buttons/index.js

@@ -10,7 +10,7 @@ function onButtonClick() {
 export default class ButtonTestCases extends React.Component {
   render() {
     return (
-      <FixtureSet title="Buttons" description="">
+      <FixtureSet title="Buttons">
         <TestCase
           title="onClick with disabled buttons"
           description="The onClick event handler should not be invoked when clicking on a disabled buyaton">

fixtures/dom/src/components/fixtures/date-inputs/index.js

@@ -8,7 +8,7 @@ const React = window.React;
 class DateInputFixtures extends React.Component {
   render() {
     return (
-      <FixtureSet title="Dates" description="">
+      <FixtureSet title="Dates">
         <TestCase title="Switching between date and datetime-local">
           <TestCase.Steps>
             <li>Type a date into the date picker</li>

fixtures/dom/src/components/fixtures/error-handling/index.js

@@ -87,7 +87,7 @@ class TriggerErrorAndCatch extends React.Component {
 export default class ErrorHandlingTestCases extends React.Component {
   render() {
     return (
-      <FixtureSet title="Error handling" description="">
+      <FixtureSet title="Error handling">
         <TestCase
           title="Break on uncaught exceptions"
           description="In DEV, errors should be treated as uncaught, even though React catches them internally">

fixtures/dom/src/components/fixtures/event-pooling/index.js

@@ -7,7 +7,7 @@ const React = window.React;
 class EventPooling extends React.Component {
   render() {
     return (
-      <FixtureSet title="Event Pooling" description="">
+      <FixtureSet title="Event Pooling">
         <MouseMove />
         <Persistence />
       </FixtureSet>

fixtures/dom/src/components/fixtures/media-events/index.js

@@ -60,7 +60,7 @@ export default class MediaEvents extends React.Component {
     }, {});
 
     return (
-      <FixtureSet title="Media Events" description="">
+      <FixtureSet title="Media Events">
         <TestCase
           title="Event bubbling"
           description="Media events should synthetically bubble">

fixtures/dom/src/components/fixtures/mouse-events/index.js

@@ -6,7 +6,7 @@ const React = window.React;
 class MouseEvents extends React.Component {
   render() {
     return (
-      <FixtureSet title="Mouse Events" description="">
+      <FixtureSet title="Mouse Events">
         <MouseMovement />
       </FixtureSet>
     );

fixtures/dom/src/components/fixtures/password-inputs/index.js

@@ -6,7 +6,7 @@ const React = window.React;
 
 function NumberInputs() {
   return (
-    <FixtureSet title="Password inputs" description="">
+    <FixtureSet title="Password inputs">
       <TestCase
         title="The show password icon"
         description={`

fixtures/dom/src/components/fixtures/selects/index.js

@@ -46,7 +46,7 @@ class SelectFixture extends React.Component {
 
   render() {
     return (
-      <FixtureSet title="Selects" description="">
+      <FixtureSet title="Selects">
         <form className="field-group">
           <fieldset>
             <legend>Controlled</legend>