docstr: StreamQuery - QueryPackRepository - get_packs
docstr_tok: ["StreamQuery","-","QueryPackRepository","-","get_packs"]
code: def test_load_and_get_packs():
      """StreamQuery - QueryPackRepository - get_packs"""
      QueryPackRepository.load_packs(["scheduled_queries/"])
  
      assert_true(len(QueryPackRepository.get_packs()) >= 1)
  
imports: from nose.tools import assert_equals, assert_true
  from streamalert.scheduled_queries.query_packs.configuration import QueryPackConfiguration, QueryPackRepository
label_desc: Use image node_id 1 for calling the TestQueryPackRepository obj's underlying member method code with example usage: obj.test_load_and_get_packs() without return types