anchor.diff:        # DisabledPlugins key in fwupd/daemon.conf
         defaultDisabledPlugins = [
           "test"
  +        "test_ble"
           "invalid"
         ];
   
  
positive.code:         testFw = fetchFromGitHub {
            owner = "fwupd";
            repo = "fwupd-test-firmware";
            rev = "42b62c62dc85ecfb8e38099fe5de0625af87a722";
            sha256 = "XUpxE003DZSeLJMtyV5UN5CNHH89/nEVKpCbMStm91Q=";
          };
        in ''
          # These files have weird licenses so they are shipped separately.
  
negative.code: 
      src = fetchurl {
        url = "https://people.freedesktop.org/~hughsient/releases/fwupd-${version}.tar.xz";
        sha256 = "16isrrv6zhdgccbfnz7km5g1cnvfnip7aiidkfhf5dlnrnyb2sxh";
      };
  
      patches = [
  