try attempting garbage collector to run at end of test

Author: willGraham01

tests/core/test_integration/test_detection.py

@@ -1,3 +1,4 @@
+import gc
 import os
 from math import isclose
 
@@ -107,6 +108,9 @@ def test_detection_full(
         num_cells_validation, num_cells_test, abs_tol=DETECTION_TOLERANCE
     )
 
+    # Force explicit memory cleanup
+    gc.collect()
+
 
 def test_detection_small_planes(
     signal_array,