fix: integration tests failing

[cameri]

Description

1. Set PORT environment variable so integration tests can connect to the relay under test

Related Issue

#3

Motivation and Context

1. SERVER_PORT was renamed to PORT which caused integration tests to fail. Unsure why CI did not catch this.

How Has This Been Tested?

1. Ran integration and coverage tests locally.

Screenshots (if appropriate):

Types of changes

• Non-functional change (docs, style, minor refactor)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my code changes.
• All new and existing tests passed.

[coveralls]

Pull Request Test Coverage Report for Build 3449073182

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+4.4%) to 88.667%

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Totals
Change from base Build 3447595521:	4.4%
Covered Lines:	724
Relevant Lines:	807

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💛 - Coveralls

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[github-actions]

🎉 This PR is included in version 1.7.2 🎉

The release is available on GitHub release

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