docstr: Test initialization and calling of BooleanFn.
docstr_tok: ["Test","initialization","and","calling","of","BooleanFn","."]
code: def test_basic_functionality(self, fn, arg, expected):
      """Test initialization and calling of BooleanFn."""
      crit = qml.BooleanFn(fn)
      assert crit(arg) == expected
  
imports: import pytest
  import pennylane
label_desc: Use image node_id 1 for calling the TestBooleanFn obj's underlying member method code with example usage: obj.test_basic_functionality(fn, arg, expected) without return types