Add tests for when deploy token usernames are not unique

See merge request gitlab-org/gitlab-ce!30629

Ensure correct behaviour when deploy tokens have the same username or
deploy token and user have the same username.

Fix factory default for pages_access_level

See merge request gitlab-org/gitlab-ce!30862

Pages access level currently depends on project visibilty
which is ignored by factory, this commit fixes that

EE countepart of Fix factory default for pages_access_level

See merge request gitlab-org/gitlab-ee!14731

Add documentation surrounding [data-qa-selector]

See merge request gitlab-org/gitlab-ce!30690

Documentation was lacking for the [data-qa-selector]
method of defining methods vs .qa-selector method.

pages access_level will be private now by default
so to fix spec we make them enabled manually through trait

Pages access level currently depends on project visibilty
which is ignored by factory, this commit fixes that

Fix project changes auditor spec

Closes #12893

See merge request gitlab-org/gitlab-ee!14726

Do not calculate submodule links for epic's discussions

See merge request gitlab-org/gitlab-ee!14727

Add EE-only class instrumentation

See merge request gitlab-org/gitlab-ce!30802

Mockify jquery and axios packages into `spec/frontend`

Closes #60136

See merge request gitlab-org/gitlab-ce!29272

Moved the block that fails tests on unmocked axios requests from
test_setup to its own mock, and added a jQuery mock that fails
tests if they use unmocked $.ajax().

Add docs about auto-injected Jest mocks

Closes #62899

See merge request gitlab-org/gitlab-ce!30791

Wrap EE-only instrumentation in Gitlab.ee block

See merge request gitlab-org/gitlab-ee!14709

Add migration for adding rule_type to approval_project_rules

See merge request gitlab-org/gitlab-ce!30575

Adds migration to introduce non-regular rule_types to
approval_project_rules

Project trait override default value for
project_feature.pages_access_level

Which causes additional changes to be tracked by auditor

We just reload project before executing tests to clean changed
attributes.

Alternatively we can add trait :pages_private (new default value) to
project creation

Preserve footnote link ids

Closes #64645

See merge request gitlab-org/gitlab-ce!30790

Danger asks for throughput labels

See merge request gitlab-org/gitlab-ce!30622

Removes clusters_cte feature flag

Closes #64259

See merge request gitlab-org/gitlab-ce!30827

Remove clusters cte feature flag

See merge request gitlab-org/gitlab-ee!14715

Removes EE differences for modal issues board

See merge request gitlab-org/gitlab-ce!30836

EE: Removes EE differences for boards modal

See merge request gitlab-org/gitlab-ee!14718

Resolve "Label picker: Line break on long label titles"

Closes #48771

See merge request gitlab-org/gitlab-ce!30610

Reduce the number of Gitaly calls for submodules

See merge request gitlab-org/gitlab-ce!30735

This is part of migration of Folder View to Vue

Add documentation for Let's Encrypt integration

See merge request gitlab-org/gitlab-ce!30627

* Add deprecation warning to old integration
* Add user docs
* Add admin docs

Fix pages access level defaults

See merge request gitlab-org/gitlab-ce!30354

- Set access level in before_validation hook
- Add post migration for updating existing project_features