Remove sample test

test/example.spec.tsx

@@ -1,25 +0,0 @@
-import { mount, ReactWrapper } from "enzyme";
-import * as React from "react";
-import C from "./sample-components/basic";
-
-describe("Component", () => {
-  let container: HTMLDivElement;
-  let wrapper: ReactWrapper;
-
-  beforeEach(() => {
-    container = document.body.appendChild(document.createElement("div"));
-  });
-
-  afterEach(() => {
-    document.body.removeChild(container);
-  });
-
-  it("should render correctly", () => {
-    const rootRef = React.createRef<C>();
-
-    rootRef.current && rootRef.current;
-
-    wrapper = mount(<C text="text" ref={rootRef} />, { attachTo: container });
-    expect(wrapper.html()).toMatchSnapshot();
-  });
-});