Function assertRender

packages/lit-html/src/test/lit-html_test.ts:83–91

(
    r: TemplateResult | CompiledTemplateResult,
    expected: string,
    options?: RenderOptions
  )

  });

  const assertRender = (
    r: TemplateResult | CompiledTemplateResult,
    expected: string,
    options?: RenderOptions
  ) => {
    const part = render(r, container, options);
    assert.equal(stripExpressionComments(container.innerHTML), expected);
    return part;
  };

  const assertContent = (expected: string) => {
    assert.equal(stripExpressionComments(container.innerHTML), expected);