docstr: Test that storage.delete() deletes the value correctly.
docstr_tok: ["Test","that","storage.delete","(",")","deletes","the","value","correctly","."]
code: def test_in_memory_wrapped_dummy_cache_storage_storage_delete(self):
      """
      Test that storage.delete() deletes the value correctly.
      """
      self.storage.set("new-key", b"new-value")
      self.storage.delete("new-key")
      with self.assertRaises(CacheStorageKeyNotFoundError):
          self.storage.get("new-key")
  
file_path: streamlit/lib/tests/streamlit/runtime/caching/storage/dummy_cache_storage_test.py
imports: import unittest
  from streamlit.runtime.caching.storage import CacheStorageContext, CacheStorageKeyNotFoundError
  from streamlit.runtime.caching.storage.dummy_cache_storage import DummyCacheStorage, MemoryCacheStorageManager
label_desc: Use image node_id 6 for calling the DummyCacheStorageManagerTest obj's underlying member method code with example usage: obj.test_in_memory_wrapped_dummy_cache_storage_storage_delete() without return types