code: def test_index_store_from_dict(self):
      values = ["a", "b", "c"]
      idxstore = IndexStoreFromList.build(values)
      for idx, term in enumerate(values):
          self.assertEqual(idxstore.getidx(term), idx)
      self.assertEqual(idxstore._next_i, len(values))
  
imports: from unittest import TestCase
  from scattertext.indexstore.IndexStoreFromList import IndexStoreFromList
label_desc: Use image node_id 1 for calling the TestIndexStoreFromList obj's underlying member method code with example usage: obj.test_index_store_from_dict() without return types