code: def test_lcm_aggregation_error_handling():
      with pytest.raises(ValueError, match="must be projected"):
          LCMAggregation(16, 32, project=False)
  
imports: from itertools import product
  import pytest
  import torch
  from torch_geometric.nn import LCMAggregation
  from torch_geometric.profile import benchmark
label_desc: Use image node_id 3 for calling a global function with example usage: test_lcm_aggregation_error_handling() without return types