code: def base_axis_2_reshape_without_neg_1(x):
      h = PF.convolution(
          x, 3, (3, 3), pad=(0, 0), name="c1", base_axis=2
      )
      y = F.reshape(h, shape=(2, 18, 6))
      return y
  
imports: import pytest
  import numpy
  import nnabla
  import nnabla.functions
  import nnabla.parametric_functions
  from nnabla.utils import load
  from nnabla.utils import save
  from nnabla.utils import nnp_graph
  from helper import forward_variable, create_temp_with_dir
label_desc: Use image node_id 8 for calling a global function with example usage: base_axis_2_reshape_without_neg_1(x) and returns: y