fix flasky unittest for deformable psroi pooling (#12178)
fix flasky unittest for deformable psroi pooling (#12178)

* fix flasky unittest for deformable psroi pooling

* Fix incorrect gpu specification

mbaijal/incubator-mxnet,ptrendx/mxnet,sxjscience/mxnet,DickJC123/mxnet,reminisce/mxnet,dmlc/mxnet,sxjscience/mxnet,ForkedReposBak/mxnet,yajiedesign/mxnet,yajiedesign/mxnet,apache/incubator-mxnet,reminisce/mxnet,szha/mxnet,szha/mxnet,tlby/mxnet,eric-haibin-lin/mxnet,larroy/mxnet,eric-haibin-lin/mxnet,dmlc/mxnet,leezu/mxnet,zhreshold/mxnet,reminisce/mxnet,zhreshold/mxnet,reminisce/mxnet,ForkedReposBak/mxnet,sxjscience/mxnet,larroy/mxnet,ptrendx/mxnet,eric-haibin-lin/mxnet,leezu/mxnet,szha/mxnet,mbaijal/incubator-mxnet,eric-haibin-lin/mxnet,dmlc/mxnet,sxjscience/mxnet,leezu/mxnet,zhreshold/mxnet,ptrendx/mxnet,mbaijal/incubator-mxnet,dmlc/mxnet,ptrendx/mxnet,tlby/mxnet,zhreshold/mxnet,larroy/mxnet,dmlc/mxnet,tlby/mxnet,eric-haibin-lin/mxnet,larroy/mxnet,sxjscience/mxnet,dmlc/mxnet,tlby/mxnet,yajiedesign/mxnet,tlby/mxnet,tlby/mxnet,yajiedesign/mxnet,leezu/mxnet,ForkedReposBak/mxnet,mbaijal/incubator-mxnet,yajiedesign/mxnet,dmlc/mxnet,reminisce/mxnet,ptrendx/mxnet,szha/mxnet,tlby/mxnet,dmlc/mxnet,DickJC123/mxnet,apache/incubator-mxnet,leezu/mxnet,zhreshold/mxnet,yajiedesign/mxnet,tlby/mxnet,leezu/mxnet,mbaijal/incubator-mxnet,eric-haibin-lin/mxnet,ptrendx/mxnet,reminisce/mxnet,apache/incubator-mxnet,ForkedReposBak/mxnet,ForkedReposBak/mxnet,larroy/mxnet,apache/incubator-mxnet,leezu/mxnet,szha/mxnet,ForkedReposBak/mxnet,ptrendx/mxnet,sxjscience/mxnet,ptrendx/mxnet,ForkedReposBak/mxnet,leezu/mxnet,DickJC123/mxnet,reminisce/mxnet,yajiedesign/mxnet,zhreshold/mxnet,ForkedReposBak/mxnet,mbaijal/incubator-mxnet,larroy/mxnet,dmlc/mxnet,mbaijal/incubator-mxnet,ptrendx/mxnet,ForkedReposBak/mxnet,mbaijal/incubator-mxnet,tlby/mxnet,larroy/mxnet,szha/mxnet,leezu/mxnet,reminisce/mxnet,eric-haibin-lin/mxnet,sxjscience/mxnet,larroy/mxnet,mbaijal/incubator-mxnet,sxjscience/mxnet,zhreshold/mxnet,ptrendx/mxnet,larroy/mxnet,yajiedesign/mxnet,szha/mxnet,zhreshold/mxnet,szha/mxnet,zhreshold/mxnet,reminisce/mxnet,eric-haibin-lin/mxnet,yajiedesign/mxnet,sxjscience/mxnet,DickJC123/mxnet,szha/mxnet,reminisce/mxnet,eric-haibin-lin/mxnet,tlby/mxnet