code: def test_to_bitmap():
      bitmap = [["R"], ["R"], ["B"], ["B"], ["G"], ["G"]]
      clip1 = BitmapClip(bitmap, fps=0.345)
      clip2 = BitmapClip(bitmap, fps=1)
      clip3 = BitmapClip(bitmap, fps=3.12345)
      assert bitmap == clip1.to_bitmap()
      assert bitmap == clip2.to_bitmap()
      assert bitmap == clip3.to_bitmap()
  
imports: import numpy
  import pytest
  from moviepy.video.VideoClip import BitmapClip
label_desc: Use image node_id 4 for calling a global function with example usage: test_to_bitmap() without return types