Added go test and go build

[InnovativeInventor]

What does this PR do?

It adds a test and build command to the default go stack (see #10168)

What issues does this PR fix or reference?

None, its an enhancement

Release Notes

Added a test and build command to the default go stack

[codenvy-ci]

Can one of the admins verify this patch?

[codenvy-ci]

Can one of the admins verify this patch?

[codenvy-ci]

Can one of the admins verify this patch?

[skabashnyuk]

ci-test

[codenvy-ci]

ci-test build report:
Build details
Test report
selenium tests report data
docker image: eclipseche/che-server:10328
https://github.com/orgs/eclipse/teams/eclipse-che-qa please check this report.

[skabashnyuk]

@eclipse/eclipse-che-qa can you take a look on a report? is it good or bad?

[SkorikSergey]

@InnovativeInventor you need to add a comma at the end of lines 734 and 743. Without them the stacks.json file is not valid.

[skabashnyuk]

ci-test

[riuvshin]

ci-test build report:
Build details
Test report
selenium tests report data
docker image: eclipseche/che-server:10328
https://github.com/orgs/eclipse/teams/eclipse-che-qa please check this report.

[SkorikSergey]

Selenium tests execution on Eclipse Che Multiuser on OCP (https://ci.codenvycorp.com/job/che-pullrequests-test-ocp/481/) doesn't show any regression against this Pull Request.