--- /dev/null
+--- opencv-4.5.1/modules/gapi/test/gapi_async_test.cpp~ 2020-12-21 21:01:38.000000000 +0100
++++ opencv-4.5.1/modules/gapi/test/gapi_async_test.cpp 2021-11-25 09:37:36.975911938 +0100
+@@ -13,6 +13,7 @@
+
+ #include <condition_variable>
+ #include <stdexcept>
++#include <thread>
+
+ namespace opencv_test
+ {