code: def test_delete_unknown_vectors():
      response = request_with_validation(
          api="/collections/{collection_name}/points/vectors/delete",
          method="POST",
          path_params={"collection_name": collection_name},
          query_params={"wait": "true"},
          body={"points": [1, 2], "vector": ["a"]},
      )
  
      assert not response.ok
      assert response.status_code == 400
      error = response.json()["status"]["error"]
      assert error.__contains__(
          "Wrong input: Not existing vector name error: a"
      )
  
file_path: qdrant/openapi/tests/openapi_integration/test_optional_vectors.py
imports: import pytest
  from .helpers.collection_setup import drop_collection, multivec_collection_setup
  from .helpers.helpers import request_with_validation
label_desc: Use image node_id 13 for calling a global function with example usage: test_delete_unknown_vectors() without return types