docstr: Test that storage.get() returns CacheStorageKeyNotFoundError when key is not
  present.
docstr_tok: ["Test","that","storage.get","(",")","returns","CacheStorageKeyNotFoundError","when","key","is","not","present","."]
code: def test_in_memory_wrapped_dummy_cache_storage_get_not_found(self):
      """
      Test that storage.get() returns CacheStorageKeyNotFoundError when key is not
      present.
      """
      with self.assertRaises(CacheStorageKeyNotFoundError):
          self.storage.get("some-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 2 for calling the DummyCacheStorageManagerTest obj's underlying member method code with example usage: obj.test_in_memory_wrapped_dummy_cache_storage_get_not_found() without return types