nixosTests.librenms: migrate to runTest

Part of #386873

nixos/tests/all-tests.nix

@@ -691,7 +691,7 @@ in
   leaps = handleTest ./leaps.nix { };
   lemmy = handleTest ./lemmy.nix { };
   libinput = handleTest ./libinput.nix { };
-  librenms = handleTest ./librenms.nix { };
+  librenms = runTest ./librenms.nix;
   libresprite = handleTest ./libresprite.nix { };
   libreswan = runTest ./libreswan.nix;
   libreswan-nat = runTest ./libreswan-nat.nix;

nixos/tests/librenms.nix

@@ -1,11 +1,10 @@
-import ./make-test-python.nix (
-  { pkgs, lib, ... }:
+{ pkgs, lib, ... }:
 
-  let
+let
   api_token = "f87f42114e44b63ad1b9e3c3d33d6fbe"; # random md5 hash
   wrong_api_token = "e68ba041fcf1eab923a7a6de3af5f726"; # another random md5 hash
-  in
-  {
+in
+{
   name = "librenms";
   meta.maintainers = lib.teams.wdz.members;
 
@@ -102,5 +101,4 @@ import ./make-test-python.nix (
     # wait until snmphost gets polled
     librenms.wait_until_succeeds("test $(curl -H 'X-Auth-Token: ${api_token}' http://localhost/api/v0/devices/snmphost | jq -Mr .devices[0].last_polled) != 'null'")
   '';
-  }
-)
+}