class_docstr: Tests for ``group_observables`` function using QWC, commuting, and anticommuting partitioning.
class_docstr_tok: ["Tests","for","``","group_observables","``","function","using","QWC",",","commuting",",","and","anticommuting","partitioning","."]
docstr: Tests that if the coefficients are given as a list, the groups
  are likewise lists.
docstr_tok: ["Tests","that","if","the","coefficients","are","given","as","a","list",",","the","groups","are","likewise","lists","."]
code: def test_return_list_coefficients(self):
      """Tests that if the coefficients are given as a list, the groups
      are likewise lists."""
      obs = [qml.PauliX(0), qml.PauliX(1)]
      coeffs = [1.0, 2.0]
      _, grouped_coeffs = group_observables(obs, coeffs)
      assert isinstance(grouped_coeffs[0], list)
  
imports: import pytest
  import numpy
  import pennylane
  from pennylane import Identity, PauliX, PauliY, PauliZ
  from pennylane.pauli import are_identical_pauli_words
  from pennylane.pauli.grouping.group_observables import PauliGroupingStrategy, group_observables
  from pennylane import numpy
label_desc: Use image node_id 6 for calling the TestGroupObservables obj's underlying member method code with example usage: obj.test_return_list_coefficients() without return types