Update .probo.yaml

.probo.yaml

@@ -7,7 +7,7 @@ steps:
       touch "${NVM_PROFILE}" 
       curl https://raw.githubusercontent.com/creationix/nvm/v0.32.1/install.sh -o install.sh
       NVM_DIR=/usr/local/nvm PROFILE="${NVM_PROFILE}" SHELL=nosh bash install.sh
-      export NVM_DIR="/root/.nvm" && . "$NVM_DIR/nvm.sh"
+      export NVM_DIR="/usr/local" && . "$NVM_DIR/nvm.sh"
       nvm install 7
       npm -g install npm@latest && npm install
       npm test