wakeonlan: Patch and run perl tests

The `pod_spell` test needed to be patched out, as it isn't relevant to packaging and is missing a dependency to run.
Removing it allows the rest of the tests to be ran for this package.

pkgs/tools/networking/wakeonlan/default.nix

@@ -14,8 +14,12 @@ perlPackages.buildPerlPackage rec {
   outputs = [ "out" ];
 
   nativeBuildInputs = [ installShellFiles ];
-  # checkInputs = [ perl534Packages.TestPerlCritic perl534Packages.TestPod perl534Packages.TestPodCoverage ];
-  doCheck = false;  # Missing package for https://github.com/genio/test-spelling to run tests
+
+  checkInputs = [ perlPackages.TestPerlCritic perlPackages.TestPod perlPackages.TestPodCoverage ];
+  # Linting and formatting checks are of no interest for us.
+  preCheck = ''
+    rm -f t/93_pod_spell.t
+  '';
 
   installPhase = ''
     install -Dt $out/bin wakeonlan