Add failing test for variadic filters that return nil
Add failing test for variadic filters that return nil

saim80/GRMustache,ThesaurusSoftware/GRMustache,groue/GRMustache,lumoslabs/GRMustache,ipmobiletech/GRMustache,samdeane/GRMustache,ipmobiletech/GRMustache,ipmobiletech/GRMustache,groue/GRMustache,mz2/GRMustache,saim80/GRMustache,sdonly/GRMustache,ThesaurusSoftware/GRMustache,mz2/GRMustache,saim80/GRMustache,samdeane/GRMustache,mz2/GRMustache,sdonly/GRMustache,sdonly/GRMustache,ThesaurusSoftware/GRMustache,samdeane/GRMustache,groue/GRMustache,lumoslabs/GRMustache,lumoslabs/GRMustache