Error

================================================================================
           Error executing action `run` on resource 'execute[install gravbot dependencies]'
           ================================================================================

           Errno::ENOENT
           -------------
           No such file or directory - npm

           Resource Declaration:
           ---------------------
           # In /tmp/kitchen/cache/cookbooks/myapp-bot/recipes/_botapp.rb

            48: execute "install gravbot dependencies" do
            49:   user 'gravbot'
            50:   command "npm install"
            51:   cwd "/opt/gravbot"
            52:   creates "/opt/gravbot/node_modules"
            53: end
            54:

           Compiled Resource:
           ------------------
       # Declared in /tmp/kitchen/cache/cookbooks/myapp-bot/recipes/_botapp.rb:48:in `from_file'

           execute("install gravbot dependencies") do
             action [:run]
             retries 0
             retry_delay 2
             default_guard_interpreter :execute
             command "npm install"
             backup 5
             creates "/opt/gravbot/node_modules"
             cwd "/opt/gravbot"
             returns 0
             user "gravbot"
             declared_type :execute
             cookbook_name "myapp-bot"

           end

       Recipe: mywrapper-redis::default
         * service[redis-server] action restart
           - restart service service[redis-server]
       Recipe: nginx::default

           - reload service service[nginx]

       Running handlers:
       [2016-01-25T18:12:18+00:00] ERROR: Running exception handlers