PR 36666: Fix runtest.cmd. So the script will fail if the unit tests failed
PR 36666: Fix runtest.cmd. So the script will fail if the unit tests failed

 - Fix runtest.cmd. So the script will fail if the unit tests failed
The %errorlevel% will only remember the last execution of the for loop. So if some unit test failed in the first test project, the build will still succeed.

karolz-ms/diagnostics-eventflow