Rename 'performance' to 'benchmarks'

benchmarks/tests/renderWideTree.js

@@ -0,0 +1,14 @@
+import createRenderBenchmark from '../createRenderBenchmark';
+import NestedTree from '../src/components/NestedTree';
+import React from 'react';
+
+const renderWideTree = (label, components) =>
+  createRenderBenchmark({
+    name: `Wide tree [${label}]`,
+    runs: 20,
+    getElement() {
+      return <NestedTree breadth={10} components={components} depth={3} id={0} wrap={4} />;
+    }
+  });
+
+export default renderWideTree;