message: Fix signup: set custom hs through advanced section, and accept IS step
diff: @@ -21,11 +21,15 @@ module.exports = async function signup(session, username, password, homeserver)
  await session.goto(session.url('/#/register'));
  // change the homeserver by clicking the "Change" link.
  if (homeserver) {
  - const changeServerDetailsLink = await session.query('.mx_AuthBody_editServerDetails');
  - await changeServerDetailsLink.click();
  + const advancedButton = await session.query('.mx_ServerTypeSelector_type_Advanced');
  + await advancedButton.click();
  const hsInputField = await session.query('#mx_ServerConfig_hsUrl');
  await session.replaceInputText(hsInputField, homeserver);
  const nextButton = await session.query('.mx_Login_submit');
  + // accept homeserver
  + await nextButton.click();
  + await session.delay(200);
  + // accept discovered identity server
  await nextButton.click();
  }
  //fill out form
  