* Add missing defaultHelmRepoUrl and mock testing
* Backport EE-1477
* Backport updates to helm tests from EE
* add https by default changes and ssl to tls renaming from EE
* Port install integration test. Disabled by default to pass CI checks
* merged changes from EE for the integration test
* kube proxy whitelist updated to support internal helm install command
Co-authored-by: zees-dev <dev.786zshan@gmail.com>