nix: don't run cargo test for crane buildpackage

CI does this already

Signed-off-by: strawberry <strawberry@puppygock.gay>

nix/pkgs/main/default.nix

@@ -83,6 +83,9 @@ craneLib.buildPackage ( commonAttrs // {
       (features != [])
       "--features " + (builtins.concatStringsSep "," features);
 
+  # This is redundant with CI
+  cargoTestCommand = "";
+
   # This is redundant with CI
   doCheck = false;