fix test_export_constraints_error_not_in_range (pytorch#137500)

Test Plan: fixed

Differential Revision: D64052011

Pull Request resolved: pytorch#137500
Approved by: https://github.com/tugsbayasgalan

test/export/test_export.py

@@ -230,8 +230,14 @@ def forward(self, x):
 
         inp = torch.zeros([3])
         dim_x = torch.export.Dim("dim_x", min=6)
-        with self.assertRaisesRegex(torch._dynamo.exc.UserError, "not in range"):
-            torch.export.export(
+
+        if is_non_strict_test(self._testMethodName):
+            error_type = torch.fx.experimental.symbolic_shapes.ConstraintViolationError
+        else:
+            error_type = torch._dynamo.exc.UserError
+
+        with self.assertRaisesRegex(error_type, "not in range"):
+            export(
                 InvalidInputConflictWithInputConstraints(),
                 (inp,),
                 dynamic_shapes={"x": {0: dim_x}},