unit-test-app: reduce startup delay, clean up

tools/unit-test-app/components/unity/include/unity_config.h

@@ -39,7 +39,7 @@ struct test_desc_t
 
 void unity_testcase_register(struct test_desc_t* desc);
 
-void unity_run_menu();
+void unity_run_menu() __attribute__((noreturn));
 
 void unity_run_tests_with_filter(const char* filter);
 

tools/unit-test-app/main/app_main.c

@@ -6,9 +6,8 @@
 
 void unityTask(void *pvParameters)
 {
-    vTaskDelay(1000 / portTICK_PERIOD_MS);
-    unity_run_menu();
-    while(1);
+    vTaskDelay(30); /* Delay a bit to let the main task be deleted */
+    unity_run_menu(); /* Doesn't return */
 }
 
 void app_main()