mcaselector: Add install check

packages/mcaselector.nix

@@ -46,6 +46,7 @@ stdenv.mkDerivation rec {
     gm convert $iconSrc/src/main/resources/img/icon.png \
       -filter 'point' -resize '1600%' ${pname}.png
   '';
+
   installPhase = ''
     install -D $src $out/share/${pname}.jar
     makeWrapper ${java}/bin/java $out/bin/${pname} \
@@ -55,6 +56,9 @@ stdenv.mkDerivation rec {
     install -D -t $out/share/applications ${desktopItem}/share/applications/*
   '';
 
+  doInstallCheck = true;
+  installCheckPhase = "$out/bin/${pname} --version";
+
   passthru.updateScript = nix-update-script { };
 
   meta = {