code: def test_overlaid_ytick_alignment(self):
      overlay = Overlay(
          [
              Curve(range(10), label=f"Data {i}").opts(
                  subcoordinate_y=True
              )
              for i in range(2)
          ]
      )
      with_span = overlay * VSpan(1, 2)
      plot = bokeh_renderer.get_plot(with_span)
      # the yticks are aligned with their subcoordinate_y axis
      assert plot.state.yaxis.ticker.ticks == [0, 1]
  
imports: import numpy
  import pytest
  from bokeh.models.tools import WheelZoomTool, ZoomInTool, ZoomOutTool
  from holoviews.core import Overlay
  from holoviews.element import Curve
  from holoviews.element.annotation import VSpan
  from .test_plot import TestBokehPlot, bokeh_renderer
label_desc: Use image node_id 6 for calling the TestSubcoordinateY obj's underlying member method code with example usage: obj.test_overlaid_ytick_alignment() without return types