Arm backend: Fixed numerical difference detection test (#15048)

Author: Michiel-Olieslagers

backends/arm/test/misc/test_debug_feats.py

@@ -21,6 +21,7 @@
     TosaPipelineFP,
     TosaPipelineINT,
 )
+from executorch.backends.test.harness.stages import StageType
 
 
 input_t1 = Tuple[torch.Tensor]  # Input x
@@ -104,7 +105,7 @@ def test_INT_artifact(test_data: input_t1):
 
 @common.parametrize("test_data", Linear.inputs)
 def test_numerical_diff_print(test_data: input_t1):
-    pipeline = TosaPipelineFP[input_t1](
+    pipeline = TosaPipelineINT[input_t1](
         Linear(),
         test_data,
         [],
@@ -119,7 +120,9 @@ def test_numerical_diff_print(test_data: input_t1):
     # not present.
     try:
         # Tolerate 0 difference => we want to trigger a numerical diff
-        tester.run_method_and_compare_outputs(atol=0, rtol=0, qtol=0)
+        tester.run_method_and_compare_outputs(
+            stage=StageType.INITIAL_MODEL, atol=0, rtol=0, qtol=0
+        )
     except AssertionError:
         pass  # Implicit pass test
     else: