test_onroad: always show model exec timings (#34606)

Co-authored-by: Comma Device <device@comma.ai>

selfdrive/test/test_onroad.py

@@ -348,7 +348,7 @@ class TestOnroad:
     result += "------------------------------------------------\n"
     print(result)
 
-  def test_model_execution_timings(self):
+  def test_model_execution_timings(self, subtests):
     result = "\n"
     result += "------------------------------------------------\n"
     result += "----------------- Model Timing -----------------\n"
@@ -361,11 +361,12 @@ class TestOnroad:
       ts = [getattr(m, s).modelExecutionTime for m in self.msgs[s]]
       # TODO some init can happen in first iteration
       ts = ts[1:]
-      assert max(ts) < instant_max, f"high '{s}' execution time: {max(ts)}"
-      assert np.mean(ts) < avg_max, f"high avg '{s}' execution time: {np.mean(ts)}"
       result += f"'{s}' execution time: min  {min(ts):.5f}s\n"
       result += f"'{s}' execution time: max {max(ts):.5f}s\n"
       result += f"'{s}' execution time: mean {np.mean(ts):.5f}s\n"
+      with subtests.test(s):
+        assert max(ts) < instant_max, f"high '{s}' execution time: {max(ts)}"
+        assert np.mean(ts) < avg_max, f"high avg '{s}' execution time: {np.mean(ts)}"
     result += "------------------------------------------------\n"
     print(result)