runapptests - Return number of failed tests as exit code

bin/runapptests.js

@@ -370,6 +370,10 @@ emu.init({
     console.log("\n\n");
     console.log("Overall results:");
     console.table(testState);
+
+    process.exit(testState.reduce((a,c)=>{
+      return a + ((c.result == "SUCCESS") ? 0 : 1);
+    }, 0))
   });
   return p;
 });