chore: Fixes acceptance and migrations tests not running in CI

[lantoli]

Description

Fixes acceptance and migrations tests not running in CI.

• unify test skip in acc.SkipTestForCI, removed SkipTest, SkipIfTFAccNotDefined, SkipTestExtCred.
• only 1 backup test group
• only 1 federated test group
• Data Lake tests fixed to run in CI.
• LDAP Configuration and Verify tests enabled in CI.

Link to any related issue(s): CLOUDP-226641

Type of change:

• Bug fix (non-breaking change which fixes an issue). Please, add the "bug" label to the PR.
• New feature (non-breaking change which adds functionality). Please, add the "enhancement" label to the PR.
• Breaking change (fix or feature that would cause existing functionality to not work as expected). Please, add the "breaking change" label to the PR.
• This change requires a documentation update
• Documentation fix/enhancement

Required Checklist:

• I have signed the MongoDB CLA
• I have read the contribution guidelines
• I have checked that this change does not generate any credentials and that they are NOT accidentally logged anywhere.
• I have added tests that prove my fix is effective or that my feature works per HashiCorp requirements
• I have added any necessary documentation (if appropriate)
• I have run make fmt and formatted my code
• If changes include deprecations or removals, I defined an isolated PR with a relevant title as it will be used in the auto-generated changelog.
• If changes include removal or addition of 3rd party GitHub actions, I updated our internal document. Reach out to the APIx Integration slack channel to get access to the internal document.

Further comments

[oarbusi]

Nice 💯

[andreaangiolillo]

Could you create a CLOUDP and add it to this comment? this would help us to track the work needed

[lantoli]

sure but let me first take a look at all Skip tests to see if they could be in the Test project or they can be non-epic stories