class_docstr: Tests that the Barrier gate is correct.
class_docstr_tok: ["Tests","that","the","Barrier","gate","is","correct","."]
docstr: Test that no simplification occurs if only_visual is False.
docstr_tok: ["Test","that","no","simplification","occurs","if","only_visual","is","False","."]
code: def test_simplify_only_visual_False(self):
      """Test that no simplification occurs if only_visual is False."""
      op = qml.Barrier(wires=(0, 1, 2, 3), only_visual=False)
      assert op.simplify() is op
  
imports: import pytest
  import numpy
  from pennylane import Snapshot
  import pennylane
label_desc: Use image node_id 9 for calling the TestBarrier obj's underlying member method code with example usage: obj.test_simplify_only_visual_False() without return types