Add tests for Regress::TestFundamentalObject
Add tests for Regress::TestFundamentalObject

The methods #ref and #unref are tested with TestFundamentalSubObject,
since the parent class cannot be instantiated.

mvz/gir_ffi,jcupitt/gir_ffi,mvz/gir_ffi,mvz/gir_ffi,jcupitt/gir_ffi