class_docstr: Test initialization of the ParametrizedHamiltonian class
docstr: Test that an error is raised if the length of the list of coefficients
  and the list of observables don't match
docstr_tok: ["Test","that","an","error","is","raised","if","the","length","of","the","list","of","coefficients","and","the","list","of","observables","do","n't","match"]
imports: import pytest
  import pennylane
  from pennylane import numpy
  from pennylane.pulse import ParametrizedHamiltonian
  from pennylane.wires import Wires
label_desc: Use image node_id 3 for calling the TestInitialization obj's underlying member method code with example usage: obj.test_mismatched_coeffs_and_obs_raises_error() without return types