trying test-cmd

build.zig

@@ -70,6 +70,7 @@ pub fn build(b: *std.Build) void {
         .optimize = optimize,
     });
 
+    exe_unit_tests.setExecCmd(&.{"/run/current-system/sw/bin/false"});
     const run_exe_unit_tests = b.addRunArtifact(exe_unit_tests);
 
     // Similar to creating the run step earlier, this exposes a `test` step to