Add additional check in Jest config

What does this MR do?

Several environments (like vscode-jest and wallaby) run Jest in specific way, when module.parent is defined, but module.parent.filename is null

This MR just guards our check to handle this situation

Conformity

• [-] Changelog entry
• [-] Documentation created/updated or follow-up review issue created
• Code review guidelines
• [-] Merge request performance guidelines
• [-] Style guides
• [-] Database guides
• [-] Separation of EE specific content