code: def test_create(N):
      domain = Domain(N, dx=[1.0] * len(N))
      params = jnp.zeros(N)
      field = Linear(params, domain)
      assert field.params.shape == N
  
imports: import pytest
  from jax import numpy
  from jaxdf.discretization import Linear
  from jaxdf.geometry import Domain
label_desc: Use image node_id 1 for calling a global function with example usage: test_create(N) without return types