Fix test fail due to precision issue
In this MR, add environment variable to close AVX2 support from newer numpy version release to avoid the precision issue in TestSensingStackMeasurementsGPR
Close #211
Edited by Hsiang-Yu Huang
In this MR, add environment variable to close AVX2 support from newer numpy version release to avoid the precision issue in TestSensingStackMeasurementsGPR
Close #211