[DevTools] New harness for inspector-protocol layout tests

third_party/WebKit/LayoutTests/inspector-protocol/animation/animation-create-start.js

Index: third_party/WebKit/LayoutTests/inspector-protocol/animation/animation-create-start.js
diff --git a/third_party/WebKit/LayoutTests/inspector-protocol/animation/animation-create-start.js b/third_party/WebKit/LayoutTests/inspector-protocol/animation/animation-create-start.js
new file mode 100644
index 0000000000000000000000000000000000000000..e043f28645fb60c8eec30c1836d453616d1a664f
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/inspector-protocol/animation/animation-create-start.js
@@ -0,0 +1,13 @@
+(async function() {
+  let {page, session, Protocol} = await InspectorTest.startHTML(`
+    <div id='node' style='background-color: red; height: 100px'></div>
+  `, '');
+
+  Protocol.Animation.enable();
+  session.evaluate(`node.animate([{ width: '100px' }, { width: '200px' }], 2000);`);
+  await Protocol.Animation.onceAnimationCreated();
+  InspectorTest.log('Animation created');
+  await Protocol.Animation.onceAnimationStarted();
+  InspectorTest.log('Animation started');
+  InspectorTest.completeTest();
+})();