assert_no_queries

# File activerecord/lib/active_record/test_case.rb, line 52
    def assert_no_queries(&block)
      prev_ignored_sql = ActiveRecord::SQLCounter.ignored_sql
      ActiveRecord::SQLCounter.ignored_sql = []
      assert_queries(0, &block)
    ensure
      ActiveRecord::SQLCounter.ignored_sql = prev_ignored_sql
    end