adds quantum_keeper_mt test

tests/quantum_keeper_mt/sc_main.cpp

@@ -7,6 +7,7 @@
 #include <scc/report.h>
 #include <scc/trace.h>
 #include <scc/tracer.h>
+#include <sysc/kernel/sc_simcontext.h>
 #include <sysc/utils/sc_report.h>
 #include <sysc/utils/sc_report_handler.h>
 #include <tlm_utils/tlm_quantumkeeper.h>
@@ -38,6 +39,8 @@ int sc_main(int argc, char* argv[]) {
         top_module top_mod("top_module_inst");
         // Start the simulation
         sc_core::sc_start(20_us);
+        if(sc_core::sc_is_running())
+            sc_core::sc_stop();
         SCCINFO() << "Simulation finished";
     } else {
         SCCERR() << "Some error occured";