def reset!
      registered_keys.each { |key| ClassConstants.new(key).deconstantize }
      @registered_keys = []
      container._container.clear
    end
def reset!
      registered_keys.each { |key| ClassConstants.new(key).deconstantize }
      @registered_keys = []
      container._container.clear
    end
This method empties out the container
 It should ONLY be used for testing purposes