code: def test_full_like_dtypes_cpu_input(self, xp, dtype1, dtype2):
      a = xp.ndarray((2, 3, 4), dtype=dtype1)
      with warnings.catch_warnings():
          warnings.simplefilter("ignore", numpy.ComplexWarning)
          return xp.full_like(a, numpy.array(1, dtype=dtype1))
  
imports: import numpy
  import pytest
  import warnings
  import cupy
  from cupy import testing
label_desc: Use image node_id 33 for calling the TestBasic obj's underlying member method code with example usage: obj.test_full_like_dtypes_cpu_input(xp, dtype1, dtype2) and returns: xp