code: def test_alltrue(self, xp):
      with warnings.catch_warnings():
          warnings.simplefilter("ignore", DeprecationWarning)
          return xp.alltrue(xp.array([1, 2, 3]))
  
imports: import warnings
  import numpy
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestAllAnyAlias obj's underlying member method code with example usage: obj.test_alltrue(xp) and returns: xp