Element-wise tests now use or seeded with hypothesis (#2181)
Element-wise tests now use or seeded with hypothesis (#2181)

* Updated all element-wise tests to use hypothesis testing or at least use hypothesis seeds

* Updated tests to add seed to sqr function

xzturn/caffe2,xzturn/caffe2,Yangqing/caffe2,Yangqing/caffe2,Yangqing/caffe2,Yangqing/caffe2,xzturn/caffe2,xzturn/caffe2,Yangqing/caffe2,caffe2/caffe2,xzturn/caffe2