message: chore: preserveWhitespace is true by default
diff: @@ -266,7 +266,6 @@ describe('Component slot', () => {
  })
  it('default slot should use fallback content if has only whitespace', () => {
  - Vue.config.preserveWhitespace = true
  mount({
  childTemplate: `
  <div>
  @@ -280,7 +279,6 @@ describe('Component slot', () => {
  expect(child.$el.innerHTML).toBe(
  '<div>1</div> <p>this is the default slot</p> <div>2</div>'
  )
  - Vue.config.preserveWhitespace = false
  })
  it('programmatic access to $slots', () => {
  