diff --git a/tests/python/unittest/test_operator.py b/tests/python/unittest/test_operator.py
index 6f48d4912f9a..f4d2ef32cc2e 100644
--- a/tests/python/unittest/test_operator.py
+++ b/tests/python/unittest/test_operator.py
@@ -6606,15 +6606,14 @@ def test_slice_forward_backward(a, index):
     for index in index_list:
         test_slice_forward_backward(arr, index)
 
-    def test_begin_equals_end():
-        shape = (2, 4)
-        begin = (None, 2)
-        end = (None, 2)
-        step = (1, -1)
+    def test_begin_equals_end(shape, begin, end, step):
         in_arr = mx.nd.arange(np.prod(shape)).reshape(shape=shape)
         out_arr = mx.nd.slice(in_arr, begin=begin, end=end, step=step)
 
-    assertRaises(MXNetError, test_begin_equals_end)
+    assertRaises(MXNetError, test_begin_equals_end, (4,), (2,), (2,), (1,))
+    assertRaises(MXNetError, test_begin_equals_end, (1, 5), (None, 3), (None, 3), (-1, 1))
+    assertRaises(MXNetError, test_begin_equals_end, (3, 4, 5), (1, 3, 1), (3, 3, 1), (1, -3, 2))
+    assertRaises(MXNetError, test_begin_equals_end, (2, 4), (None, 2), (None, 2), (1, -1))
 
     # check numeric gradient
     in_data = np.arange(36).reshape(2, 2, 3, 3)