Missing dependency

Reproduce:

Custom values:

```
nodeSelector:
environment: support
postgresql:
enabled: false
redis:
enabled: false
```

Apply

```
helm upgrade --install --version 1.1.3 --wait --timeout 300s --debug --dry-run -f values.yaml chatwoot chatwoot/chatwoot
```

Output:

```
history.go:56: [debug] getting history for release chatwoot
Release "chatwoot" does not exist. Installing it now.
install.go:214: [debug] Original chart version: "1.1.3"
install.go:231: [debug] CHART PATH: /home/arch/.cache/helm/repository/chatwoot-1.1.3.tgz

Error: template: chatwoot/templates/tests/test-connection.yaml:19:20: executing "chatwoot/templates/tests/test-connection.yaml" at : error calling include: template: no template "common.tplvalues.render" associated with template "gotpl"
helm.go:84: [debug] template: chatwoot/templates/tests/test-connection.yaml:19:20: executing "chatwoot/templates/tests/test-connection.yaml" at : error calling include: template: no template "common.tplvalues.render" associated with template "gotpl"
```

#115