Don't build unit tests for publishing job

.travis.yml

@@ -242,23 +242,24 @@ install:
              -DBUILD_TOOLS=ON \
              -DENABLE_CCACHE=ON \
              -DCMAKE_INSTALL_PREFIX=${OSRM_INSTALL_DIR}
-  - echo "travis_fold:start:MAKE"
   - make --jobs=${JOBS}
-  - make tests --jobs=${JOBS}
-  - make benchmarks --jobs=${JOBS}
-  - echo "travis_fold:end:MAKE"
-  - ccache -s
-  - sudo make install
   - |
-    if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
+    if [ -z "${PUBLISH_NODE_BINDINGS}" ]; then
-      export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${OSRM_INSTALL_DIR}/lib
+      make tests --jobs=${JOBS}
+      make benchmarks --jobs=${JOBS}
+      ccache -s
+      sudo make install
+      |
+      if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
+        export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${OSRM_INSTALL_DIR}/lib
+      fi
+      popd
+      mkdir example/build && pushd example/build
+      export PKG_CONFIG_PATH=${OSRM_INSTALL_DIR}/lib/pkgconfig
+      cmake .. -DCMAKE_BUILD_TYPE=${BUILD_TYPE}
+      make --jobs=${JOBS}
     fi
   - popd
-  - mkdir example/build && pushd example/build
-  - export PKG_CONFIG_PATH=${OSRM_INSTALL_DIR}/lib/pkgconfig
-  - cmake .. -DCMAKE_BUILD_TYPE=${BUILD_TYPE}
-  - make --jobs=${JOBS}
-  - popd
   # building docs only works with npm3+ not with yarn or npm2
   #- yarn run docs