code: def test_from_dict(self):
      data = {
          "type": "haystack.components.caching.cache_checker.CacheChecker",
          "init_parameters": {
              "document_store": {
                  "type": "haystack.document_stores.in_memory.document_store.InMemoryDocumentStore",
                  "init_parameters": {},
              },
              "cache_field": "my_url_field",
          },
      }
      component = CacheChecker.from_dict(data)
      assert isinstance(component.document_store, InMemoryDocumentStore)
      assert component.cache_field == "my_url_field"
  
file_path: haystack/test/components/caching/test_url_cache_checker.py
imports: import pytest
  from haystack import Document, DeserializationError
  from haystack.testing.factory import document_store_class
  from haystack.document_stores.in_memory import InMemoryDocumentStore
  from haystack.components.caching.cache_checker import CacheChecker
label_desc: Use image node_id 3 for calling the TestCacheChecker obj's underlying member method code with example usage: obj.test_from_dict() without return types