Install nodejs8.10 in travis & appveyor

Author: sanathkr

.appveyor.yml

@@ -13,6 +13,9 @@ environment:
 build: off
 
 install:
+# To run Nodejs workflow integ tests
+- ps: Install-Product node 8.10
+
 - "set PATH=%PYTHON%\\Scripts;%PYTHON%\\bin;%PATH%"
 - "%PYTHON%\\python.exe -m pip install -r requirements/dev.txt"
 - "%PYTHON%\\python.exe -m pip install -e ."

.travis.yml

@@ -11,6 +11,11 @@ matrix:
       dist: xenial
       sudo: true
 install:
+
+  # To run Nodejs workflow integ tests
+  - nvm install 8.10.0
+  - nvm use 8.10.0
+
   # Install the code requirements
   - make init
 script: