def test_build_sequence(self) -> None:
     sequencer = DummySequencer(DummySequencingHardware())
     instruction_block = DummyInstructionBlock()
     block = DummyInstructionBlock()
     element1 = DummySequencingElement(push_elements=(block, [self.square]))
     element2 = DummySequencingElement()
     mapping = {}
     subtemplates = [(self.square, self.mapping1),
                     (element2, mapping)]
     sequence = SequencePulseTemplate(subtemplates, self.parameters.keys())
     sequence.build_sequence(sequencer, self.parameters, instruction_block)