Core htmx API test

• can re-init with new attributes12ms ‣

  this.server.respondWith('PATCH', '/test', 'patch')
  this.server.respondWith('DELETE', '/test', 'delete')
  var div = make('<div hx-patch="/test">click me</div>')
  div.click()
  this.server.respond()
  div.innerHTML.should.equal('patch')
  div.removeAttribute('hx-patch')
  div.setAttribute('hx-delete', '/test')
  htmx.process(div)
  div.click()
  this.server.respond()
  div.innerHTML.should.equal('delete')