❯ helm plugin install https://github.com/rancher/helm-unittest
Downloading https://github.com/rancher/helm-unittest/releases/download/v0.1.6-rancher1/helm-unittest-linux-amd64.tgz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   655  100   655    0     0   1966      0 --:--:-- --:--:-- --:--:--  1966
100 4799k  100 4799k    0     0  2694k      0  0:00:01  0:00:01 --:--:-- 4077k
Preparing to install into /Users/kevinpollet/Library/helm/plugins/helm-unittest
helm-unittest installed into /Users/kevinpollet/Library/helm/plugins/helm-unittest
/Users/kevinpollet/Library/helm/plugins/helm-unittest/install-binary.sh: line 44: /Users/kevinpollet/Library/helm/plugins/helm-unittest/untt: cannot execute binary file
Failed to install helm-unittest
For support, go to https://github.com/kubernetes/helm
Error: plugin install hook for "unittest" exited with error

❯ CATTLE_HELM_UNITTEST_VERSION=v0.1.6-rancher1 ARCH=amd64 OS=macos helm plugin install .
Downloading https://github.com/rancher/helm-unittest/releases/download/v0.1.6-rancher1/helm-unittest-macos-amd64.tgz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   655  100   655    0     0   1882      0 --:--:-- --:--:-- --:--:--  1882
100 4833k  100 4833k    0     0  2918k      0  0:00:01  0:00:01 --:--:-- 4823k
Preparing to install into /Users/kevinpollet/Library/helm/plugins/helm-unittest
helm-unittest installed into /Users/kevinpollet/Library/helm/plugins/helm-unittest
Running chart unittest written in YAML.

This renders your charts locally (without tiller) and
validates the rendered output with the tests defined in
test suite files. Simplest test suite file looks like
below:
...