code: def test_overlap_patch_embed(self):
      Overlap_Patch_Embed = OverlapPatchEmbed(
          in_channels=self.img.shape[1]
      )
      self.assertEqual(
          Overlap_Patch_Embed(self.img).shape,
          torch.Size([1, 8 * 25, 768]),
      )
  
imports: from unittest import TestCase
  import torch
  from mmocr.models.textrecog.encoders.svtr_encoder import AttnMixer, ConvMixer, MerigingBlock, MixingBlock, OverlapPatchEmbed, SVTREncoder
label_desc: Use image node_id 2 for calling the TestOverlapPatchEmbed obj's underlying member method code with example usage: obj.test_overlap_patch_embed() without return types