Update the measurement test

Author: constantinpape

test/test_measurements.py

@@ -2,6 +2,7 @@
 import unittest
 from shutil import rmtree
 
+import imageio.v3 as imageio
 import pandas as pd
 
 
@@ -37,6 +38,10 @@ def test_compute_object_measures(self):
         for col in expected_columns:
             self.assertIn(col, table.columns)
 
+        n_objects = int(imageio.imread(self.seg_path).max())
+        expected_shape = (n_objects, len(expected_columns))
+        self.assertEqual(table.shape, expected_shape)
+
 
 if __name__ == "__main__":
     unittest.main()