Fixes image test scenario

Author: PierreRaybaut

cdl/tests/scenarios/common.py

@@ -43,8 +43,11 @@ def __compute_11_operations(panel: SignalPanel | ImagePanel, number: int) -> Non
     panel.processor.compute_fft()
     panel.processor.compute_ifft()
     panel.processor.compute_abs()
+    panel.remove_object()
     panel.processor.compute_re()
+    panel.remove_object()
     panel.processor.compute_im()
+    panel.remove_object()
     panel.processor.compute_astype(dlp.DataTypeIParam.create(dtype="float64"))
     panel.processor.compute_log10()
     panel.processor.compute_swap_axes()