Fix bug that prevented generating client endpoint tests

[cenedhryn]

Motivation and Context

Client endpoint tests for S3 were not generated due to faulty codegen logic.

Modifications

Updated logic & changed it to be more readable

Testing

Ran on S3 module

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

Checklist

• I have read the CONTRIBUTING document
• Local run of mvn install succeeds
• My code follows the code style of this project
• My change requires a change to the Javadoc documentation
• I have updated the Javadoc documentation accordingly
• I have added tests to cover my changes
• All new and existing tests passed
• I have added a changelog entry. Adding a new entry must be accomplished by running the scripts/new-change script and following the instructions. Commit the new file created by the script in .changes/next-release with your changes.
• My change is to implement 1.11 parity feature and I have updated LaunchChangelog

License

• I confirm that this pull request can be released under the Apache 2 license

[sonarqubecloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

32.4% Coverage
0.0% Duplication

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[dagnir]

Does this fix the issue where we were still generating tests for test cases without operation input?

[cenedhryn]

Does this fix the issue where we were still generating tests for test cases without operation input?

Yes