code: def test_poisson_nll_loss(
      dtype_input_target,
      log_input,
      full,
      epsilon,
      reduction,
      test_flags,
      backend_fw,
      fn_name,
      on_device,
  ):
      dtype, inputs = dtype_input_target
      helpers.test_function(
          input_dtypes=dtype,
          test_flags=test_flags,
          backend_to_test=backend_fw,
          fn_name=fn_name,
          on_device=on_device,
          input=inputs[0],
          target=inputs[1],
          log_input=log_input,
          full=full,
          eps=epsilon,
          reduction=reduction,
          rtol_=1e-05,
          atol_=1e-05,
      )
  
file_path: ivy/ivy_tests/test_ivy/test_functional/test_experimental/test_nn/test_losses.py
imports: from hypothesis import strategies
  import numpy
  import ivy_tests.test_ivy.helpers
  from ivy_tests.test_ivy.helpers import handle_test
label_desc: Use image node_id 7 for calling a global function with example usage: test_poisson_nll_loss(dtype_input_target, log_input, full, epsilon, reduction, test_flags, backend_fw, fn_name, on_device) without return types