diff --git a/src/tools/aoc.py b/src/tools/aoc.py
index e4e1224..b3a640a 100644
--- a/src/tools/aoc.py
+++ b/src/tools/aoc.py
@@ -35,6 +35,9 @@ class AOCDay:
     def part2(self) -> Any:
         raise NotImplementedError()
 
+    def is_test(self) -> bool:
+        return self._current_test_solution is not None
+
     def run_part(
         self,
         part: int,