Delete skeleton dir when container starts

tests/Fileshare/08-skeleton.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+rm -R /var/www/owncloud/core/skeleton/*
+
+true

tests/Fileshare/docker-compose.yml

@@ -27,6 +27,7 @@ services:
             retries: 5
         volumes:
             - ./oc_tmp/files:/mnt/data
+            - ./08-skeleton.sh:/etc/entrypoint.d/08-skeleton.sh
 
     mariadb:
         image: mariadb:10.11

tests/FileshareTestCase.php

@@ -61,6 +61,10 @@ abstract class FileshareTestCase extends TestCase
             $adapter->deleteDirectory($directory);
         }
 
+        foreach ($adapter->files('/') as $file) {
+            $adapter->delete($file);
+        }
+
         foreach ($dirs as $dir) {
             $adapter->makeDirectory($dir);
         }