code: def test_embedding_model_not_found(self):
      document_store = InMemoryDocumentStore()
      with pytest.raises(
          ValueError, match="Could not find an embedder"
      ):
          build_indexing_pipeline(
              document_store=document_store,
              embedding_model="invalid_model",
          )
  
file_path: haystack/test/pipelines/test_indexing_pipeline.py
imports: import os
  import pytest
  from haystack.pipeline_utils.indexing import build_indexing_pipeline
  from haystack.document_stores.in_memory import InMemoryDocumentStore
label_desc: Use image node_id 6 for calling the TestIndexingPipeline obj's underlying member method code with example usage: obj.test_embedding_model_not_found() without return types