Core htmx AJAX Tests

• properly handles buttons with formmethod=dialog2ms ‣

  var request = false
  this.server.respondWith('POST', '/test', function(xhr) {
    request = true
    xhr.respond(200, {}, '<button>Bar</button>')
  })
  make('<dialog><form hx-post="/test"><button id="submit" formmethod="dialog" name="foo" value="bar">Submit</button></form></dialog>')
  byId('submit').click()
  this.server.respond()
  request.should.equal(false)