Core htmx AJAX headers

• should change body content on HX-Location19ms ‣

  this.server.respondWith('GET', '/test', [200, { 'HX-Location': '{"path":"/test2", "target":"#testdiv"}' }, ''])
  this.server.respondWith('GET', '/test2', [200, {}, '<div>Yay! Welcome</div>'])
  var div = make('<div id="testdiv" hx-trigger="click" hx-get="/test"></div>')
  div.click()
  this.server.respond()
  this.server.respond()
  div.innerHTML.should.equal('<div>Yay! Welcome</div>')