Using helm-unittest with library charts

helm-unittest is a tool for unit-testing Helm charts. Helm is like M4 for writing Kubernetes manifests, which are YAML files. I prefer M4, because I consider the Go templating language an abomination (mutable data structures, unclear scoping, and so on and so forth). But it&rsquo;s what&rsquo;s used in the project, so I don&rsquo;t really have a choice. Getting back to unit testing: What…