def METHOD_NAME(cls):
    if TEST_NOHW:
        testing.start_backend(FASTEM_CONFIG)
    cls.scanner = model.getComponent(role="e-beam")
    cls.sed = model.getComponent(role="se-detector")
    cls.multibeam = model.getComponent(role="multibeam")
    cls.mppc = model.getComponent(role="mppc")
    # change the rotation for single and multibeam mode to check the correct one is selected depending on the mode
    cls.scanner.updateMetadata({model.MD_SINGLE_BEAM_ROTATION: math.radians(5),
                                model.MD_MULTI_BEAM_ROTATION: math.radians(10),
                                model.MD_FIELD_FREE_POS_SHIFT: [90.0e-6, 50.0e-6]})