Add Che Smoke Test PR check for Che-Code repository

[azatsarynnyy]

Is your task related to a problem? Please describe

Currently, there're PR checks in the Che-Code repository that run the upstream tests. But there's no PR check that would run the Happy Path tests for testing Che-specific functionality. So, the developer needs to check by hand if they didn't break anything Che-specific.

Describe the solution you'd like

Need to add a PR check that would run Happy Path Tests against the opened PR. It should be a required check to prevent merging the code introduces some regression.

Additional context

• Rewrite the Smoke test to use the quarkus-api-example #22031

[dmytro-ndp]

@azatsarynnyy : there is a plan to switch existed Che-Theia Happy path tests to VS Code Editor using https://github.com/redhat-developer/vscode-extension-tester library: #21463

PR: #21684

[l0rd]

I have changed the title to reflect that we want to run a smoke test rather than an happy path test.

[dmytro-ndp]

There is Che-Code editor smoke test available for running: https://github.com/eclipse/che/blob/main/tests/e2e/specs/SmokeTest.spec.ts

Here an example of usage: https://github.com/eclipse-che/che-operator/blob/main/build/scripts/oc-tests/oc-test-happy-path.sh
(just need to replace EmptyWorkspace with SmokeTest)

[dmytro-ndp]

https://github.com/eclipse-che/che-operator/blob/main/build/scripts/oc-tests/oc-test-happy-path.sh is the script to run smoke test on OpenShift CI - an alternative to GitHub Actions where minikube is available for deploy Eclipse Che to only.

There are also GitHub Actions to deploy Eclipse Che to minikube [1], but I am not sure if there is enough resources in there to start Eclipse Che workspace with VS Code Editor on board.

[1] https://github.com/che-incubator/?q=action&type=all&language=&sort=