Core htmx AJAX Tests

• handles hx-trigger with load event9ms ‣

  this.server.respondWith('GET', '/test', 'Loaded!')
  var div = make('<div hx-get="/test" hx-trigger="load">Load Me!</div>')
  div.innerHTML.should.equal('Load Me!')
  this.server.respond()
  div.innerHTML.should.equal('Loaded!')