Added login methods and tests.

Description

Completed out the rest of the login functions Added tests for them

Related Issue(s)

Changes Made

• Change 1: Completed out the rest of the login functions
• Change 2: Added tests for them

Test Plan

• Ran pytest

Checklist

• Code follows the project's coding style and conventions.
• Automated tests for the changes have been added or existing tests have been updated.
• Code coverage for new or modified code is maintained or improved.
• The code builds and runs without errors or warnings.
• Documentation has been updated to reflect the changes made.
• All discussions and feedback on the PR have been addressed.
• CI/CD pipelines pass successfully, including any required checks or tests.
• The PR has been reviewed and approved by the designated reviewers.