Fix typo

Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>

tests/acceptance/run-local.sh

@@ -151,7 +151,7 @@ composer install
 cd ../../
 
 INSTALL_AND_CONFIGURE_SERVER_PARAMETERS=""
-if [ "$NEXTCLOUD_SERVER_domain" != "$DEFAULT_NEXTCLOUD_SERVER_DOMAIN" ]; then
+if [ "$NEXTCLOUD_SERVER_DOMAIN" != "$DEFAULT_NEXTCLOUD_SERVER_DOMAIN" ]; then
 	INSTALL_AND_CONFIGURE_SERVER_PARAMETERS+="--nextcloud-server-domain $NEXTCLOUD_SERVER_DOMAIN"
 fi