Azure Monitor: E2E Tests (#54619)

* Update credentials form with data-testids and aria-labels

* Update gitignore

* Add example dashboard

* Stub out E2E test for creating ds and importing dashboard

* Add component selectors

* Remove subscription check temporarily

* Appropriately set disabled prop

* Fix lint issues

* Update to use selectors and wait on subscriptions request

* Add test for metrics panel

- Add required selectors for resource picker and metrics query editor

* Add logs and ARG basic query scenarios

- More selector updates

* Add E2E test for template variables

- Tests advanced resource picker
- Adds required selectors

* Remove log and add annotation e2e test

* Update test

* Prettier/betterer updates

- Remove gitignore change

* Lint issues

* Update betterer results

* Lint issue and remove unneeded import

* Don't print certain commands

* Avoiding flakiness

- Ensure code editor has sufficient time to load in ARG test
- Avoid flakiness around correct template variable being selected by typing in resource name

* Remove be.visible requirement

* Update test

* Update selector name

* Reuse datasource

* Fix datasource reuse and combine query tests

* Remove import dashboard step as unneeded

* Review

- Randomise datasource name
- Skip annotations test
- Remove unused example dashboard

* Update to ensure e2e test works in CI

* Update e2e test

- Update environment variables (process is not available in cypress)
- Add wait on resource picker searches to avoid flakiness
- Update subscription and resource group names

* Update CODEOWNERS

* Parse credentials in CI from outputs file

* Update outputs file path

* Fix selector

* Undo selector change

* Update e2e tests

- Set default subscription
- Fix datasource selection in variable editor
- Fix resource picker search flakiness
- Set subscription in ARG query test
- Fix resource group selection
- Update resource group

* Review

* Review 2

.github/CODEOWNERS

@@ -118,6 +118,7 @@ go.sum @grafana/backend-platform
 /public/locales @grafana/user-essentials
 /public/app/core/internationalization @grafana/user-essentials
 /e2e @grafana/user-essentials
+/e2e/cloud-plugins-suite @grafana/cloud-provider-plugins
 /packages @grafana/user-essentials @grafana/plugins-platform-frontend @grafana/grafana-bi-squad
 /packages/grafana-e2e-selectors @grafana/user-essentials
 /packages/grafana-e2e @grafana/user-essentials