Update github import test

What does this MR do?

The github import test was causing subsequent quarantined tests to fail. There have been changes to the import process since the test was quarantined. This updates the test and hopefully allows subsequent tests to run as normal.

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• [-] Database guides
• [-] Separation of EE specific content

Closes #193485 (closed)