* AAE-12872 replaced global variables related to foreground text
* AAE-12872 replaced global css variables related to foreground
* AAE-12872 replaced global css variables related to background,palette colors
* AAE-12139 disabled start process btn when clicked and api call in progress
* AAE-12139 improved unit tests
* AAE-12139 added return type
* AAE-12139 removed ngOnInit from unit tests
* AAE-11740 replaced api for starting process
* AAE-11740 adjusted tests due to replaced start process api
* AAE-11740 merged similar tests for starting process
* AAE-11740 added condition for disabled start process button
* AAE-11739 removed unnecessary api call when cancelling not started process
* AAE-11739 added unit tests for cancelling process
* AAE-11739 fixed erroneous test
* AAE-11739 fix for test related error thrown in afterAll
* AAE-11739 added proper way to test wheter button exist