bypass script scheduler logic for our testsystem with a endlessloop

due to faster execution time the wait time between doubleclicks needs to
be disabled

pol-core/poltool/baredistrofiles.cpp

@@ -283,7 +283,7 @@ void BareDistro::distro_files( std::map<fs::path, std::vector<std::string>>& dis
 "#                   double click an object again.",
 "# Default is 1",
 "#",
-"DoubleClickWait=1",
+"DoubleClickWait=0",
 "",
 "#",
 "# DefaultLightLevel - Default light level for regions with no level defined.",

testsuite/pol/scripts/busyloop.src

@@ -0,0 +1,15 @@
+/*
+busyloop for our scriptscheduler
+The scheduler, if no script has to run, sleeps until the next
+script is scheduled for wakeup.
+
+For our testsystem that is not what we want, since almost no scripts are running the delays are quite huge.
+
+So trick the scheduler by having this script run endless with a minimum of delay
+*/
+use os;
+
+print("starting busyloop");
+while (1)
+  sleepms(1);
+endwhile

testsuite/pol/scripts/start.src

@@ -2,4 +2,5 @@ use os;
 program start()
   print("POL initialization complete.");
   start_script("tests");
+  start_script("busyloop");
 endprogram