ci: speed up test minikube job

.circleci/config.yml

@@ -331,13 +331,19 @@ jobs:
     steps:
       - checkout
       - run:
-          name: Install Node.js
-          # First we remove system node and npm to ensure they're not used in later 'run' steps
+          name: Update Node.js
           command: |
-            rm -rf $(which node)
-            rm -rf $(which npm)
-            curl -sL https://deb.nodesource.com/setup_10.x | sudo -E bash -
-            sudo apt-get -y install nodejs
+            # NVM is already installed, we just need to load it...
+            [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
+            # ...export for subsequent runs...
+            echo 'export NVM_DIR="/opt/circleci/.nvm"' >> $BASH_ENV
+            echo "[ -s \"$NVM_DIR/nvm.sh\" ] && . \"$NVM_DIR/nvm.sh\"" >> $BASH_ENV
+            nvm install 10
+            nvm alias default 10
+            nvm use default
+            # ...and finally symlink for when calling Garden with sudo below
+            sudo ln -s "$NVM_DIR/versions/node/$(nvm version)/bin/node" "/usr/local/bin/node"
+            sudo ln -s "$NVM_DIR/versions/node/$(nvm version)/bin/npm" "/usr/local/bin/npm"
       - npm_install
       - run: npm run build
       - run:
@@ -420,6 +426,8 @@ workflows:
           requires:
             - build-dist-edge
             - test-dist
+      - test-minikube:
+          <<: *only-master
 
   tags:
     jobs:
@@ -453,4 +461,6 @@ workflows:
           <<: *only-tags
           requires:
             - build-dist
-            - test-dist
+            - test-dist
+      - test-minikube:
+          <<: *only-tags