Vote-3159: Minor Cypress test updates

[clmedders]

Jira ticket

Vote-3159

Description

Minor update to tests:
1 - removed Navajo from tests due to it being disabled on the live site... this will need to be added back when it is active again
2 - fixed excluded url to not check the base url if it is set since it will have a trailing /

Deployment and testing

Post-deploy steps

n/a

QA/Testing instructions

1. cd into testing and run npm run cy:open and select the language-selector test and the internal links test and verify that they are still passing.

Checklist for the Developer

• A link to the JIRA ticket has been included above.
• No merge conflicts exist with the target branch.
• Automated tests have passed on this PR.
• A reviewer has been designated.
• Deployment and testing steps have been documented above, if applicable.

Checklist for the Peer Reviewers

• The file changes are relevant to the task objective.
• Code is readable and includes appropriate commenting.
• Code standards and best practices are followed.
• QA/Test steps were successfully completed, if applicable.
• Applicable logs are free of errors.