message: Simplify render api
diff: @@ -13,7 +13,7 @@ describe("Change signature Webview Content", () => {
  createSelectedPosition("paramB", 1)
  ];
  - const { document } = render(loadHTML(selections), acquireVsCodeApi());
  + const document = render(loadHTML(selections), acquireVsCodeApi());
  const params = document.querySelectorAll(".params-name");
  expect(params).toHaveLength(2);
  @@ -30,10 +30,7 @@ describe("Change signature Webview Content", () => {
  createSelectedPosition("paramA", 0),
  createSelectedPosition("paramB", 1)
  ];
  - document = render(
  - loadHTML(selections),
  - acquireVsCodeApi(postMessage)
  - ).document;
  + document = render(loadHTML(selections), acquireVsCodeApi(postMessage));
  });
  it("Should be able to confirm signature without any changes", async () => {
  @@ -93,10 +90,7 @@ function render(
  }
  });
  - return {
  - window,
  - document: window.document
  - };
  + return window.document;
  }
  function loadHTML(params: SelectedPosition[]) {
  