- Fix failing CI tests due to recent login/email changes

xt/config/checksetup_answers.txt

@@ -11,6 +11,7 @@
  $answer{'db_mysql_ssl_client_cert'} = '';
  $answer{'db_mysql_ssl_client_key'} = '';
  $answer{'urlbase'} = 'http://localhost/bugzilla/';
+ $answer{'use_email_as_login'} = 1;
  $answer{'create_htaccess'} = '';
  $answer{'use_suexec'} = '';
  $answer{'index_html'} = 0;

xt/config/generate_test_data.pl

@@ -137,7 +137,7 @@ foreach my $username (@usernames) {
     $login ||= $config->{"${prefix}_user_login"};
     my $api_key = $config->{"${prefix}_user_api_key"};
 
-    if (is_available_username($login)) {
+    if (is_available_email($login)) {
         my %extra_args;
         if ($username eq 'disabled') {
             $extra_args{disabledtext} = '!!This is the text!!';