blazingjj: fix build (#528554)

pkgs/by-name/bl/blazingjj/package.nix

@@ -35,6 +35,11 @@ rustPlatform.buildRustPackage (finalAttrs: {
   ];
   doInstallCheck = true;
 
+  checkFlags = [
+    # This tests checks the output of `jj diff`. However, `jj diff` had a change upstream making the test fail. Skip for now, until the test is updated.
+    "--skip=commander::files::tests::get_file_diff"
+  ];
+
   __structuredAttrs = true;
 
   meta = {