ttcn3: call stop in UE dtor

fixes stop issue of TTCN3 DUT

srsue/test/ttcn3/hdr/ttcn3_ue.h

@@ -31,7 +31,7 @@ class ttcn3_ue : public phy_interface_syssim, public gw_interface_stack
 public:
   ttcn3_ue();
 
-  virtual ~ttcn3_ue() {}
+  virtual ~ttcn3_ue();
 
   int init(all_args_t args, srslte::logger* logger_, syssim_interface_phy* syssim_, const std::string tc_name_);
 

srsue/test/ttcn3/src/ttcn3_ue.cc

@@ -96,6 +96,11 @@ int ttcn3_ue::init(all_args_t args, srslte::logger* logger_, syssim_interface_ph
   return SRSLTE_SUCCESS;
 }
 
+ttcn3_ue::~ttcn3_ue()
+{
+  stop();
+}
+
 void ttcn3_ue::stop()
 {
   if (stack) {