Update SraSurveyor experiment generation method

[arkid15r]

Purpose/Implementation Notes

Update experiment generation method to obtain experiment object correctly.

Types of changes

• Bugfix (non-breaking change which fixes an issue)

Checklist

• [x] Lint and unit tests pass locally with my changes
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have added necessary documentation (if appropriate)
• [ ] Any dependent changes have been merged and published in downstream modules