* Dont return created ApiServer source object but only error
- After ApiServer source object is created, we don't need it to pass
around in caller function.
* Align creating ApiServer source client, removes unit tests
* Add ApiServer source update command
* Rename TestMockKnClient to TestMockKnCronJobSourceClient
* Add mock client for ApiServer Source and its tests
* Add mock unit tests for create, delete and update
* Add e2e tests for apiserver source update
- Add a test for apiserver source sink update
- Verify the updated sink name after the apiserver source is created
- Update resource names in existing tests
* Uses builder pattern for ApiServer source create command
* Update ApiServer source create/update flags and required config
* Uses builder pattern for ApiServer source update command
* Align create/update/delete description and error messages
* Add unit tests for get/create/update/delete in apiserver_client.go
* Update e2e tests expected output per change in commands output
* Golint fixes, Api -> API and add exported method docs
* Rename a test method and source update command description
* Add ApiServer source describe command
- Add command and unit tests
- TODO for later: Add 'Controller Selector' section for --verbose
Ying Chun Guo