✅ Add integration test for Template Controller to check deletion

[katronquillo]

No description provided.

[github-actions]

⬆️ Go test coverage increased from 70.9% to 71.2% compared to 4013642 (1 ignored files)

⚠️ 2 of 12 packages have zero coverage.

• kumquat
• kumquat/cmd

Updated Package Coverages:

# Package Name                |  Prior |    New
+ kumquat/internal/controller |  71.7% |  72.4%

View coverage for all packages

# Package Name                | Coverage
- kumquat                     |     0.0%
+ kumquat/api/v1beta1         |   100.0%
- kumquat/cmd                 |     0.0%
+ kumquat/internal/controller |    72.4%
+ kumquat/renderer            |   100.0%
+ kumquat/renderer/cue        |    87.5%
+ kumquat/renderer/gotemplate |    95.8%
+ kumquat/renderer/jsonnet    |    87.9%
+ kumquat/repository          |    91.8%
+ kumquat/store               |    75.0%
+ kumquat/template            |    93.9%
+ kumquat/test/utils          |    10.8%

[jamesdobson]

Thanks for adding a test case!

[jamesdobson]

I didn't see this the first time, I haven't used the slices package much, but I think nil will just work as an empty slice, see: https://go.dev/play/p/o6KpQfftdPf

So hopefully you can remove this if block and it will still work.