fix error (#960)

Co-authored-by: sabban <15465465+sabban@users.noreply.github.com>

scripts/func_tests/tests_post-install_7_plugin.sh

@@ -21,7 +21,7 @@ function clear_backup() {
 }
 
 function modify_config() {
-    PLUGINS_DIR=$(find /usr -type d -wholename "*"crowdsec/plugins)
+    PLUGINS_DIR=$(sudo find /usr -type d -wholename "*"crowdsec/plugins)
     sed -i "s#/usr/local/lib/crowdsec/plugins#${PLUGINS_DIR}#g" ./config/config.yaml
     cat ./config/config.yaml | sed 's/group: nogroup/group: '$(groups nobody | cut -d ':' -f2 | tr -d ' ')'/' | sudo tee /etc/crowdsec/config.yaml > /dev/null
     cat ./config/http.yaml | sudo tee /etc/crowdsec/notifications/http.yaml > /dev/null