add assertions to the with_stats=False path

Author: deadlovelll

Lib/test/test_profiling/test_sampling_profiler/test_binary_format.py

@@ -1972,6 +1972,13 @@ def test_replay_with_and_without_persisted_stats(self):
                     self.assertIn('<span class="stat-value">0.4</span>', content)
                     self.assertIn('<span class="rate-value">2.0%</span>', content)
                     self.assertIn('<span class="rate-value">1.5%</span>', content)
+                else:
+                    self.assertEqual(
+                        content.count('<span class="stat-value">N/A</span>'), 2
+                    )
+                    self.assertEqual(
+                        content.count('<span class="rate-value">N/A</span>'), 2
+                    )
 
 
 class TestBinaryReplayToJsonl(BinaryFormatTestBase):