diff --git a/check_process b/check_process
new file mode 100644
index 0000000..6cd93bb
--- /dev/null
+++ b/check_process
@@ -0,0 +1,37 @@
+;; Test complet
+	auto_remove=1
+	; Manifest
+		domain="domain.tld"	(DOMAIN)
+		path="/path"	(PATH)
+		admin="john"	(USER)
+    language="fr"
+		is_public=1	(PUBLIC|public=1|private=0)
+	; Checks
+		pkg_linter=1
+		setup_sub_dir=1
+		setup_root=1
+		setup_nourl=0
+		setup_private=1
+		setup_public=1
+		upgrade=1
+		backup_restore=1
+		multi_instance=1
+		wrong_user=1
+		wrong_path=1
+		incorrect_path=1
+		corrupt_source=0
+    fail_download_source=0
+		port_already_use=0
+    final_path_already_use=0
+;;; Levels
+	Level 1=auto
+	Level 2=auto
+	Level 3=auto
+	Level 4=1
+; https://github.com/YunoHost-Apps/piwigo_ynh/issues/4
+;	Level 5=1
+	Level 6=auto
+	Level 7=auto
+	Level 8=0
+	Level 9=0
+  Level 10=0
diff --git a/scripts/remove b/scripts/remove
index 148c817..a919f56 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -1,5 +1,8 @@
 #!/bin/bash
 
+# Treat unset variables as an error
+set -u
+
 # See comments in install script
 app=$YNH_APP_INSTANCE_NAME