Core htmx AJAX headers

• should handle simple string HX-Trigger response header properly11ms ‣

  this.server.respondWith('GET', '/test', [200, { 'HX-Trigger': 'foo' }, ''])
  var div = make('<div hx-get="/test"></div>')
  var invokedEvent = false
  div.addEventListener('foo', function(evt) {
    invokedEvent = true
  })
  div.click()
  this.server.respond()
  invokedEvent.should.equal(true)

• should handle simple string HX-Trigger response header properly w/ outerHTML swap9ms ‣

  this.server.respondWith('GET', '/test', [200, { 'HX-Trigger': 'foo' }, ''])
  var div = make('<div hx-swap="outerHTML" hx-get="/test"></div>')
  var invokedEvent = false
  var handler = htmx.on('foo', function(evt) {
    invokedEvent = true
  })
  div.click()
  this.server.respond()
  invokedEvent.should.equal(true)
  htmx.off('foo', handler)