Steps:-
1] Log into the system using partner credentials.
2] Search and select For QA Caiso company.
3] Click on Add/Change Plan Design from Customizer sub menu
4] Edit Voluntary child life plan
5] Click on the Cost and Coverage tab.
6] Set the Rate Calculated for This Plan As Family rate for all Dependents or Family rate for all Dependent's - Flat.
7] Set the Allow Employee Enrollment,Spouse Enrollment and Child Enrollment as Yes.
8] Enroll in this plan with Employee,Spouse and Child coverage with effective date as 04/01/2017.Now generate an invoice for October 2017.
9] Observe the records displayed on the invoice

Actual Result:-
System is not displaying the coverage as per expected. System is displaying the coverage which is maximum of Employee,Spouse and Child enrollment.

Expected Result:-
System should display the coverage as Coverage of Employee + Coverage of Spouse + Maximum coverage of child coverages

Please let me know if you need any more information on this