[ET] Fix pytest path for executorch export tests (#12826)

Author: abhinaykukkadapu

backends/xnnpack/test/recipes/test_xnnpack_recipes.py

@@ -18,7 +18,7 @@
 from executorch.examples.models.model_factory import EagerModelFactory
 from executorch.examples.xnnpack import MODEL_NAME_TO_OPTIONS, QuantType
 from executorch.exir.schema import DelegateCall, Program
-from executorch.export import export, ExportRecipe
+from executorch.export import export, ExportRecipe, recipe_registry
 from torch import nn
 from torch.testing._internal.common_quantization import TestHelperModules
 
@@ -27,6 +27,7 @@ class TestXnnpackRecipes(unittest.TestCase):
     def setUp(self) -> None:
         torch._dynamo.reset()
         super().setUp()
+        recipe_registry.register_backend_recipe_provider(XNNPACKRecipeProvider())
 
     def tearDown(self) -> None:
         super().tearDown()

pytest.ini

@@ -33,7 +33,8 @@ addopts =
     exir/program/test
     exir/tests/
     # executorch/export
-    executorch/export/tests
+    export/tests
+    --ignore=export/tests/test_export_stages.py
     # kernels/
     kernels/prim_ops/test
     kernels/quantized