class_docstr: Test that the interaction between a ``HardwareHamiltonian`` and other operators work as
  expected.
class_docstr_tok: ["Test","that","the","interaction","between","a","``","HardwareHamiltonian","``","and","other","operators","work","as","expected","."]
docstr: Test that adding an invalid object to a HardwareHamiltonian raises an error.
docstr_tok: ["Test","that","adding","an","invalid","object","to","a","HardwareHamiltonian","raises","an","error","."]
code: def test_unknown_type_raises_error(self):
      """Test that adding an invalid object to a HardwareHamiltonian raises an error."""
      R = drive(amplitude=f1, phase=0, wires=[0, 1])
      with pytest.raises(TypeError, match="unsupported operand type"):
          R += 3j
  
imports: import numpy
  import pytest
  import pennylane
  from pennylane.pulse import HardwareHamiltonian, drive, rydberg_interaction
  from pennylane.pulse.hardware_hamiltonian import HardwarePulse, AmplitudeAndPhase, amplitude_and_phase, _reorder_parameters
  from pennylane.pulse.transmon import TransmonSettings
  from pennylane.pulse.rydberg import RydbergSettings
  from pennylane.wires import Wires
label_desc: Use image node_id 4 for calling the TestInteractionWithOperators obj's underlying member method code with example usage: obj.test_unknown_type_raises_error() without return types