[integration-test] Add supervisor task status test

[princerachit]

Description

Add supervisor task status test.

Related Issue(s)

Fixes #9575

How to test

./dev/preview/install-k3s-kubeconfig.sh

# Run integration test
cd test
gitpod /workspace/gitpod/test (prs/test-fix) $ go test -v ./... \
>    -kubeconfig=/home/gitpod/.kube/config \
>    -namespace=default \
>    -run=TestRegularWorkspaceTasks
?       github.com/gitpod-io/gitpod/test/pkg/agent/daemon       [no test files]
?       github.com/gitpod-io/gitpod/test/pkg/agent/daemon/api   [no test files]
?       github.com/gitpod-io/gitpod/test/pkg/agent/workspace    [no test files]
?       github.com/gitpod-io/gitpod/test/pkg/agent/workspace/api        [no test files]
?       github.com/gitpod-io/gitpod/test/pkg/integration        [no test files]
?       github.com/gitpod-io/gitpod/test/pkg/integration/common [no test files]
testing: warning: no tests to run
PASS
ok      github.com/gitpod-io/gitpod/test/tests/components/content-service       3.206s [no tests to run]
testing: warning: no tests to run
PASS
ok      github.com/gitpod-io/gitpod/test/tests/components/database      3.150s [no tests to run]
testing: warning: no tests to run
PASS
ok      github.com/gitpod-io/gitpod/test/tests/components/image-builder 3.198s [no tests to run]
testing: warning: no tests to run
PASS
ok      github.com/gitpod-io/gitpod/test/tests/components/server        3.214s [no tests to run]
testing: warning: no tests to run
PASS
ok      github.com/gitpod-io/gitpod/test/tests/components/ws-daemon     2.984s [no tests to run]
=== RUN   TestRegularWorkspaceTasks
=== RUN   TestRegularWorkspaceTasks/ws-manager
=== RUN   TestRegularWorkspaceTasks/ws-manager/it_can_run_workspace_tasks
=== RUN   TestRegularWorkspaceTasks/ws-manager/it_can_run_workspace_tasks/init
    tasks_test.go:137: file in workspace: .cargo
    tasks_test.go:137: file in workspace: .gitpod
    tasks_test.go:137: file in workspace: .vscode-remote
    tasks_test.go:137: file in workspace: init-ran
=== RUN   TestRegularWorkspaceTasks/ws-manager/it_can_run_workspace_tasks/before
    tasks_test.go:137: file in workspace: .cargo
    tasks_test.go:137: file in workspace: .gitpod
    tasks_test.go:137: file in workspace: .vscode-remote
    tasks_test.go:137: file in workspace: before-ran
=== RUN   TestRegularWorkspaceTasks/ws-manager/it_can_run_workspace_tasks/command
    tasks_test.go:137: file in workspace: .cargo
    tasks_test.go:137: file in workspace: .gitpod
    tasks_test.go:137: file in workspace: .vscode-remote
    tasks_test.go:137: file in workspace: command-ran
--- PASS: TestRegularWorkspaceTasks (73.32s)
    --- PASS: TestRegularWorkspaceTasks/ws-manager (73.32s)
        --- PASS: TestRegularWorkspaceTasks/ws-manager/it_can_run_workspace_tasks (73.32s)
            --- PASS: TestRegularWorkspaceTasks/ws-manager/it_can_run_workspace_tasks/init (25.23s)
            --- PASS: TestRegularWorkspaceTasks/ws-manager/it_can_run_workspace_tasks/before (23.92s)
            --- PASS: TestRegularWorkspaceTasks/ws-manager/it_can_run_workspace_tasks/command (24.17s)
PASS
ok      github.com/gitpod-io/gitpod/test/tests/components/ws-manager    76.450s
testing: warning: no tests to run
PASS
ok      github.com/gitpod-io/gitpod/test/tests/ide/jetbrains    3.031s [no tests to run]
testing: warning: no tests to run
PASS
ok      github.com/gitpod-io/gitpod/test/tests/ide/vscode       2.994s [no tests to run]
testing: warning: no tests to run
PASS
ok      github.com/gitpod-io/gitpod/test/tests/workspace        3.216s [no tests to run]
?       github.com/gitpod-io/gitpod/test/tests/workspace/common [no test files]

Release Notes

None

Documentation

[princerachit]

Blocked on this error from testing this PR https://gitpod.slack.com/archives/C032A46PWR0/p1652349992307799

Fixed

[jenting]

/lgtm Thank you @princerachit