Arm backend: Add arange.default dummy tests

Since we use unittests for coverage on the Edge IR op set
which includes arange.default, we need tests for it even though
it is decomposed to indicate that it has not been missed.

Signed-off-by: Adrian Lundell <[email protected]>
Change-Id: I1d30b9c4824195ffd30a3d05da6213d873e2cb71

Author: AdrianLundell

backends/arm/test/ops/test_arange.py

@@ -5,6 +5,8 @@
 
 from typing import Callable
 
+import pytest
+
 import torch
 from executorch.backends.arm.test import common
 from executorch.backends.arm.test.tester.test_pipeline import (
@@ -152,3 +154,26 @@ def test_linspace_tosa_BI(test_data: test_data_t):
     )
     pipeline.pop_stage("check.quant_nodes")
     pipeline.run()
+
+
+skip_str = "aten.arange.default is decomposed to aten.arange.start_step, so it will never exist in a lowered graph."
+
+
+@pytest.mark.skip(reason=skip_str)
+def test_arange_tosa_MI():
+    pass
+
+
+@pytest.mark.skip(reason=skip_str)
+def test_arange_tosa_BI():
+    pass
+
+
+@pytest.mark.skip(reason=skip_str)
+def test_arange_u55_BI():
+    pass
+
+
+@pytest.mark.skip(reason=skip_str)
+def test_arange_u85_BI():
+    pass