--- old/qtbase/tests/auto/corelib/io/qprocess/testGuiProcess/main.cpp	2021-04-20 18:50:14.612550229 +0300
+++ new/qtbase/tests/auto/corelib/io/qprocess/testGuiProcess/main.cpp	2021-05-19 18:52:33.929355138 +0300
@@ -41,6 +41,7 @@
     fgetc(stdin); // block until fed
 
     qDebug("Process is running");
+    printf("Process is running\n"); // readyReadStandardOutput
 
     return 0;
 }