fix mtime in tests

Author: gtfierro

lib/tests/ontoenv_test.rs

@@ -40,6 +40,15 @@ macro_rules! setup {
             }
 
             copy_file(&source_path, &dest_path).expect(format!("Failed to copy file from {} to {}", source_path.display(), dest_path.display()).as_str());
+            // modify the 'last modified' time to the current time. For some reason, in the
+            // temp_dir environment, the copy_file doesn't update the last modified time.
+            // TODO: we are using a workaround here, but it would be better to fix the copy_file
+            // function or figure out why the last modified time is not updated.
+            let current_time = std::time::SystemTime::now();
+            let dest_file = std::fs::File::open(&dest_path)
+                .expect(format!("Failed to open file {}", dest_path.display()).as_str());
+            dest_file.set_modified(current_time)
+                .expect(format!("Failed to set modified time for file {}", dest_path.display()).as_str());
         )*
 
         // Check the contents of the temporary directory