chore(e2e): add e2e tests for global header

[ciiay]

Description

Update e2e tests for global header.

Changes including:

1. enabled global-header plugin in "showcase-rabc" and "showcase" test values
2. added support field to the default configMap app-config-rhdh.yaml
3. enabled notifications plugins to as it's a default component in global header
4. added appConfig field to upstream.backstage config in order to test notification unread amount badge
5. replaced openSidebar("Settings") with a new uiHelper function goToSettingsPage()`
6. added default-global-header.spec.ts
7. updated clickLink() and verifyLink() in uiHelper
8. replaced openSidebar("Create...") with updated clickLink({ ariaLabel: "Create..." })
9. updated getByPlaceholder("Search") to getByPlaceholder("Search", { exact: true }) so that it only specify the filter search element from main content

Which issue(s) does this PR fix

• Fixes RHIDP-5474

PR acceptance criteria

Please make sure that the following steps are complete:

• GitHub Actions are completed and successful
• Unit Tests are updated and passing
• E2E Tests are updated and passing
• Documentation is updated if necessary (requirement for new features)
• Add a screenshot if the change is UX/UI related

How to test changes / Special notes to the reviewer

[ciiay]

/test e2e-tests

[ciiay]

/test e2e-tests

[subhashkhileri]

/approve

[teknaS47]

Verified tests on a cluster. Looks good to me! /lgtm

[teknaS47]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: subhashkhileri, teknaS47

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Needs approval from an approver in each of these files:

• .ibm/OWNERS [subhashkhileri]
• e2e-tests/OWNERS [subhashkhileri]

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[teknaS47]

/test e2e-tests

[ciiay]

/test e2e-tests

[ciiay]

/cherry-pick release-1.5

[openshift-cherrypick-robot]

@ciiay: only redhat-developer org members may request cherry picks. If you are already part of the org, make sure to change your membership to public. Otherwise you can still do the cherry-pick manually.

In response to this:

/cherry-pick release-1.5

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[invincibleJai]

/cherry-pick release-1.5

[openshift-cherrypick-robot]

@invincibleJai: only redhat-developer org members may request cherry picks. If you are already part of the org, make sure to change your membership to public. Otherwise you can still do the cherry-pick manually.

In response to this:

/cherry-pick release-1.5

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[invincibleJai]

/cherry-pick release-1.5

[openshift-cherrypick-robot]

@invincibleJai: #2412 failed to apply on top of branch "release-1.5":

Applying: fix(global-header): add e2e tests for global header
Using index info to reconstruct a base tree...
M	e2e-tests/playwright/e2e/authProviders/basic-authentication.spec.ts
M	e2e-tests/playwright/e2e/authProviders/github-provider.spec.ts
M	e2e-tests/playwright/e2e/authProviders/microsoft-provider.spec.ts
M	e2e-tests/playwright/e2e/authProviders/rhsso-76-provider.spec.ts
M	e2e-tests/playwright/utils/ui-helper.ts
Falling back to patching base and 3-way merge...
Auto-merging e2e-tests/playwright/utils/ui-helper.ts
Auto-merging e2e-tests/playwright/e2e/authProviders/rhsso-76-provider.spec.ts
Auto-merging e2e-tests/playwright/e2e/authProviders/microsoft-provider.spec.ts
Auto-merging e2e-tests/playwright/e2e/authProviders/github-provider.spec.ts
Auto-merging e2e-tests/playwright/e2e/authProviders/basic-authentication.spec.ts
CONFLICT (content): Merge conflict in e2e-tests/playwright/e2e/authProviders/basic-authentication.spec.ts
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"
Patch failed at 0001 fix(global-header): add e2e tests for global header

In response to this:

/cherry-pick release-1.5

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[invincibleJai]

Mannual cherry pick PR for this #2472