Fix Jenkins tests.

Jenkinsfile

@@ -27,7 +27,8 @@ mx_dist_lib = 'lib/libmxnet.so, lib/libmxnet.a, 3rdparty/dmlc-core/libdmlc.a, 3r
 // mxnet cmake libraries, in cmake builds we do not produce a libnvvm static library by default.
 mx_cmake_lib = 'build/libmxnet.so, build/libmxnet.a, build/3rdparty/dmlc-core/libdmlc.a, build/tests/mxnet_unit_tests, build/3rdparty/openmp/runtime/src/libomp.so'
 mx_cmake_mkldnn_lib = 'build/libmxnet.so, build/libmxnet.a, build/3rdparty/dmlc-core/libdmlc.a, build/tests/mxnet_unit_tests, build/3rdparty/openmp/runtime/src/libomp.so, build/3rdparty/mkldnn/src/libmkldnn.so, build/3rdparty/mkldnn/src/libmkldnn.so.0'
-mx_mkldnn_lib = 'lib/libmxnet.so, lib/libmxnet.a, lib/libiomp5.so, lib/libmkldnn.so.0, lib/libmklml_intel.so, 3rdparty/dmlc-core/libdmlc.a, 3rdparty/nnvm/lib/libnnvm.a, build/tests/cpp/mxnet_unit_tests'
+mx_mkldnn_lib = 'lib/libmxnet.so, lib/libmxnet.a, lib/libiomp5.so, lib/libmkldnn.so.0, lib/libmklml_intel.so, 3rdparty/dmlc-core/libdmlc.a, 3rdparty/nnvm/lib/libnnvm.a'
+mx_mkldnn_test_lib = 'lib/libmxnet.so, lib/libmxnet.a, lib/libiomp5.so, lib/libmkldnn.so.0, lib/libmklml_intel.so, 3rdparty/dmlc-core/libdmlc.a, 3rdparty/nnvm/lib/libnnvm.a, build/tests/cpp/mxnet_unit_tests'
 // command to start a docker container
 docker_run = 'tests/ci_build/ci_build.sh'
 // timeout in minutes
@@ -231,8 +232,8 @@ try {
         ws('workspace/build-mkldnn-cpu') {
           timeout(time: max_time, unit: 'MINUTES') {
             init_git()
-            sh "ci/build.py --platform ubuntu_cpu /work/runtime_functions.sh build_ubuntu_cpu_mkldnn"
-            pack_lib('mkldnn_cpu', mx_mkldnn_lib)
+            sh "ci/build.py --platform ubuntu_cpu /work/runtime_functions.sh build_ubuntu_cpu_mkldnn_test"
+            pack_lib('mkldnn_test_cpu', mx_mkldnn_test_lib)
           }
         }
       }
@@ -465,7 +466,7 @@ try {
       node('mxnetlinux-cpu') {
         ws('workspace/ut-python2-mkldnn-cpu') {
           init_git()
-          unpack_lib('mkldnn_cpu', mx_mkldnn_lib)
+          unpack_lib('mkldnn_test_cpu', mx_mkldnn_test_lib)
           python2_ut('ubuntu_cpu')
         }
       }
@@ -483,7 +484,7 @@ try {
       node('mxnetlinux-cpu') {
         ws('workspace/ut-python3-mkldnn-cpu') {
           init_git()
-          unpack_lib('mkldnn_cpu', mx_mkldnn_lib)
+          unpack_lib('mkldnn_test_cpu', mx_mkldnn_test_lib)
           python3_ut_mkldnn('ubuntu_cpu')
         }
       }
@@ -579,7 +580,7 @@ try {
         ws('workspace/ut-cpp-mkldnn-cpu') {
           timeout(time: max_time, unit: 'MINUTES') {
             init_git()
-            unpack_lib('mkldnn_cpu', mx_mkldnn_lib)
+            unpack_lib('mkldnn_test_cpu', mx_mkldnn_test_lib)
             sh "ci/build.py --platform ubuntu_cpu /work/runtime_functions.sh unittest_ubuntu_cpu_cpp"
           }
         }

ci/docker/runtime_functions.sh

@@ -267,7 +267,7 @@ build_ubuntu_cpu_mkldnn() {
         USE_CPP_PACKAGE=1             \
         USE_BLAS=openblas             \
         USE_MKLDNN=1                  \
-        -j$(nproc)
+        -j$(nproc) test
 }
 
 build_ubuntu_gpu_mkldnn() {