Add getWrappedComponent util and consume in tests

test/utils/getWrappedComponent.tsx

@@ -0,0 +1,12 @@
+import React from "react";
+
+function getWrappedComponent(SomeComponent: React.ElementType) {
+  class WrappedC extends React.Component {
+    render() {
+      return <SomeComponent />;
+    }
+  }
+  return WrappedC;
+}
+
+export default getWrappedComponent;