Added a test of AsyncSampleCollectorTest.operator()()
Added a test of AsyncSampleCollectorTest.operator()()

NeuralProsthesisLab/unlock,NeuralProsthesisLab/unlock,NeuralProsthesisLab/unlock,NeuralProsthesisLab/unlock,NeuralProsthesisLab/unlock,NeuralProsthesisLab/unlock,NeuralProsthesisLab/unlock