home-assistant-component-tests.system_log: provide isal dependency

Author: mweinelt

pkgs/servers/home-assistant/tests.nix

@@ -38,6 +38,9 @@ let
     songpal = [
       isal
     ];
+    system_log = [
+      isal
+    ];
     tilt_ble = [
       ibeacon-ble
     ];