Anca/Adaptive history records removal test + some refactoring

[soncuteanca]

Relevant Links

Bugzilla: 1999820
TestRail: 3029071

Description of Code / Doc Changes

• Add adaptive history records removal test
• Refactoring work:
  • rename selector to avoid confusions, both bookmarks and history items uses the same CSS class "bookmark-item" in the hamburger menu UI.
  • update the existing adaptive history test with new methods to follow the refactoring best practice
  • replace the line of code with the corresponding existing method in test_deleted_page_not_remembered.py

Process Changes Required

Mark the relevant boxes:

• Adds a dependency (rerun pipenv install)
• Changes the BasePage
• Changes or creates a BOM/POM (name the object model): _
• Changes CI flow
• Changes scheduled Beta or DevEdition
• Changes Git hooks or Github settings
• Changes L10n harness

Screenshots or Explanations

If you need to explain your code, do it here.

Comments or Future Work

Do we need to start another PR soon to address something you saw while working on this?

Workflow Checklist

• Please request reviewers
• If this is an unblocker, please post in Slack.
• If asked to address comments, please resolve conversations.
• If asked to change code, please re-request review from the person who wanted changes.

Thank you!

[vsangereanMOZ]

All good