Added test case for converting string-style relationship references
Added test case for converting string-style relationship references

threatgrid/ctia,yogsototh/ctia,yogsototh/ctia,polygloton/ctia,saintx/ctia,quoll/ctia,threatgrid/ctia,polygloton/ctia,threatgrid/ctia,polygloton/ctia,yogsototh/ctia,saintx/ctia,quoll/ctia,saintx/ctia,threatgrid/ctia,quoll/ctia