Fix change point analysis unit test (#30244)

sdks/python/apache_beam/testing/analyzers/perf_analysis_test.py

@@ -35,7 +35,6 @@
   from apache_beam.testing.analyzers.perf_analysis_utils import MetricContainer
   from apache_beam.testing.analyzers.perf_analysis_utils import TestConfigContainer
   from apache_beam.testing.analyzers.perf_analysis_utils import is_change_point_in_valid_window
-  from apache_beam.testing.analyzers.perf_analysis_utils import is_edge_change_point
   from apache_beam.testing.analyzers.perf_analysis_utils import is_sibling_change_point
   from apache_beam.testing.analyzers.perf_analysis_utils import e_divisive
   from apache_beam.testing.analyzers.perf_analysis_utils import filter_change_points_by_median_threshold
@@ -266,11 +265,6 @@ def read_csv(path):
 
   def test_change_point_on_edge_segment(self):
     data = [1] * 50 + [100]
-    change_points = find_change_points(data)
-    self.assertEqual(change_points, [50])
-
-    self.assertEqual(is_edge_change_point(change_points[0], len(data)), True)
-
     self.assertEqual(find_latest_change_point_index(data), None)