Add unit test stage for mxnet cpu in debug mode

Jenkinsfile

@@ -233,6 +233,17 @@ try {
         }
       }
     },
+    'CPU: Openblas, debug': {
+      node('mxnetlinux-cpu') {
+        ws('workspace/build-cpu-openblas') {
+          timeout(time: max_time, unit: 'MINUTES') {
+            init_git()
+            docker_run('ubuntu_cpu', 'build_ubuntu_cpu_cmake_debug', false)
+            pack_lib('cpu_debug', mx_cmake_lib)
+          }
+        }
+      }
+    },
     'CPU: Clang 3.9': {
       node('mxnetlinux-cpu') {
         ws('workspace/build-cpu-clang39') {
@@ -574,6 +585,20 @@ try {
         }
       }
     },
+    'Python3: CPU debug': {
+      node('mxnetlinux-cpu') {
+        ws('workspace/ut-python3-cpu') {
+          try {
+            init_git()
+            unpack_lib('cpu_debug')
+            python3_ut('ubuntu_cpu')
+          } finally {
+            collect_test_results_unix('nosetests_unittest.xml', 'nosetests_python3_cpu_unittest.xml')
+            collect_test_results_unix('nosetests_quantization.xml', 'nosetests_python3_cpu_quantization.xml')
+          }
+        }
+      }
+    },
     'Python2: GPU': {
       node('mxnetlinux-gpu') {
         ws('workspace/ut-python2-gpu') {

ci/docker/runtime_functions.sh

@@ -345,6 +345,25 @@ build_ubuntu_cpu_openblas() {
     report_ccache_usage
 }
 
+build_ubuntu_cpu_cmake_debug() {
+    set -ex
+    pushd .
+    cd /work/build
+    cmake \
+        -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
+        -DCMAKE_C_COMPILER_LAUNCHER=ccache \
+        -DUSE_CUDA=OFF \
+        -DUSE_MKL_IF_AVAILABLE=OFF \
+        -DUSE_OPENMP=OFF \
+        -DUSE_OPENCV=ON \
+        -DCMAKE_BUILD_TYPE=Debug \
+        -G Ninja \
+        /work/mxnet
+
+    ninja -v
+    popd
+}
+
 build_ubuntu_cpu_clang39() {
     set -ex