add test gor GetSlices with the ALL keyword

diff --git a/system/plcsh_stress_test.py b/system/plcsh_stress_test.py
index f64dbe8..1dc6e97 100755 (executable)
--- a/system/plcsh_stress_test.py
+++ b/system/plcsh_stress_test.py
@@ -1683,7 +1683,11 @@ class Test:
             self.api.DeleteSlice(slice_id)
 
             if self.check:
+                # Check that slice is gone
                 assert not self.api.GetSlices([slice_id])
+                # but we can still retrieve it with the ALL filter
+                assert len(self.api.GetSlices(
+                    {'slice_id': slice_id, 'ALL': True})) == 1
 
             if self.verbose:
                 print("Deleted slice", slice_id)