TravisCI little improvement

.travis.yml

@@ -10,16 +10,15 @@ addons:
 
 env:
   global:
-    - CHANGE_MINIKUBE_NONE_USER=true
     - KUBERNETES_VERSION=$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)
     # curl -L -s https://api.github.com/repos/istio/istio/releases/latest | grep tag_name | sed "s/ *\"tag_name\": *\"\\(.*\\)\",*/\\1/"
     - ISTIO_VERSION="1.0.5"
 
 install:
-  - TERRAFORM_LATEST_VERSION=$(curl -s https://checkpoint-api.hashicorp.com/v1/check/terraform | jq -r -M '.current_version')
-  - curl --silent --location https://releases.hashicorp.com/terraform/${TERRAFORM_LATEST_VERSION}/terraform_${TERRAFORM_LATEST_VERSION}_linux_amd64.zip --output /tmp/terraform_linux_amd64.zip
-  - sudo unzip -o /tmp/terraform_linux_amd64.zip -d /usr/local/bin/
-  - curl https://raw.githubusercontent.com/helm/helm/master/scripts/get | bash
+  - |
+    TERRAFORM_LATEST_VERSION=$(curl -s https://checkpoint-api.hashicorp.com/v1/check/terraform | jq -r -M '.current_version')
+    curl --silent --location https://releases.hashicorp.com/terraform/${TERRAFORM_LATEST_VERSION}/terraform_${TERRAFORM_LATEST_VERSION}_linux_amd64.zip --output /tmp/terraform_linux_amd64.zip
+    sudo unzip -o /tmp/terraform_linux_amd64.zip -d /usr/local/bin/
   - npm install -g markdownlint-cli markdown-link-check
 
 before_script:
@@ -31,7 +30,9 @@ before_script:
   - curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/${KUBERNETES_VERSION}/bin/linux/amd64/kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/
   # Download minikube.
   - curl -Lo minikube https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64 && chmod +x minikube && sudo mv minikube /usr/local/bin/
-  - sudo minikube start --vm-driver=none --bootstrapper=kubeadm --kubernetes-version=${KUBERNETES_VERSION}
+  - |
+    CHANGE_MINIKUBE_NONE_USER=true
+    sudo minikube start --vm-driver=none --bootstrapper=kubeadm --kubernetes-version=${KUBERNETES_VERSION}
   # Fix the kubectl context, as it's often stale.
   - minikube update-context
   # Wait for Kubernetes to be up and ready.