diff --git a/check_process b/check_process
index ba0f954..1a6fd4b 100644
--- a/check_process
+++ b/check_process
@@ -1,5 +1,5 @@
 ;; Complete Test
-# Comment ignored
+# First Run of complete test
 	; Manifest
 		domain="domain.tld"	(DOMAIN)
 		path="/calibre"	(PATH)
@@ -9,7 +9,6 @@
 		is_public=0	(PUBLIC|public=1|private=0)
 		upload=1
 		password="a very long password"
-#		port="8083"	(PORT)
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=1
@@ -23,6 +22,24 @@
 		incorrect_path=1
 		port_already_use=1 (8083)
 		change_url=1
+#;; Failed upgrade
+#Run to trigger an error during upgrade to check backup_restore
+#	; pre-install
+#		touch /tmp/upgrade_error
+#	; Manifest
+#		domain="domain.tld"	(DOMAIN)
+#		path="/calibre"	(PATH)
+#		calibre_path="/home/yunohost.app/calibreweb"
+#		admin="john"	(USER)
+#		language="en"
+#		is_public=0	(PUBLIC|public=1|private=0)
+#		upload=1
+#		password="a very long password"
+#	; Checks
+#		setup_sub_dir=1
+#		setup_root=1
+#		upgrade=1
+#		upgrade=1	from_commit=3b9c5041e4fa73cb965368379f2b83d076c65341
 ;;; Levels
 	Level 1=auto
 	Level 2=auto
@@ -40,4 +57,6 @@ Notification=none
 ;;; Upgrade options
 	; commit=3b9c5041e4fa73cb965368379f2b83d076c65341
 		name=Name of this previous version
-		manifest_arg=domain=DOMAIN&path=PATH&admin=USER&password=pass&is_public=0&
\ No newline at end of file
+		manifest_arg=domain=DOMAIN&path=PATH&admin=USER&password=pass&is_public=0&
+		
+		
\ No newline at end of file
diff --git a/scripts/restore b/scripts/restore
index 8cd9dcb..3c6de79 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -110,6 +110,10 @@ systemctl enable $app.service
 #=================================================
 
 ynh_restore_file "/etc/logrotate.d/$app"
+if [ ! -e /var/log/$app ]; then
+	mkdir /var/log/$app
+fi
+chown -R $app:$app /var/log/$app
 
 #=================================================
 # RESTORE THE DATA DIRECTORY
diff --git a/scripts/upgrade b/scripts/upgrade
index 55a58b8..1dcb7e8 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -122,6 +122,14 @@ then
 	ynh_app_setting_set $app unprotected_uris "/"
 fi
 
+#=================================================
+# PACKAGE_CHECK
+#=================================================
+#This line of code is just used to caused an error in upgrade to be tested by package_check 
+if [ -e /tmp/upgrade_error ]; then
+	exit 1
+fi
+
 #=================================================
 # RELOAD NGINX
 #=================================================