add more test cases

Author: zewenli98

tests/py/dynamo/conversion/test_layer_norm_aten.py

@@ -64,18 +64,31 @@ def forward(self, x):
 
 
 class TestNativeLayerNormConverter(DispatchTestCase):
-    def test_layer_norm(self):
+    @parameterized.expand(
+        [
+            (
+                (5, 3, 2, 4),
+                [
+                    4,
+                ],
+            ),
+            ((5, 3, 2, 4), [2, 4]),
+            ((5, 3, 2, 4), [3, 2, 4]),
+            ((5, 3, 2, 4), [5, 3, 2, 4]),
+        ]
+    )
+    def test_layer_norm(self, input_shape, normalized_shape, eps=1e-05):
         class LayerNorm(torch.nn.Module):
             def forward(self, x):
                 return torch.ops.aten.native_layer_norm.default(
                     x,
-                    torch.tensor([3, 224, 224]),
-                    torch.ones((3, 224, 224)),
-                    torch.zeros((3, 224, 224)),
-                    1e-05,
+                    normalized_shape,
+                    torch.randn(normalized_shape),
+                    torch.randn(normalized_shape),
+                    eps,
                 )[0]
 
-        inputs = [torch.randn(1, 3, 224, 224)]
+        inputs = [torch.randn(input_shape)]
         self.run_test(
             LayerNorm(),
             inputs,