Update winsup/testsuite/cygrun.sh

Co-authored-by: Copilot <[email protected]>

Author: Blackhex

winsup/testsuite/cygrun.sh

@@ -14,7 +14,7 @@ then
     $cygrun "$exe -v -cygwin $windows_runtime_root/cygwin1.dll"
 else
     # Removing cygdrop $cygrun to make the tests pass while testing on wsl-env
-    timeout --preserve-status 60 "$exe"
+    timeout --preserve-status $TIMEOUT_SECONDS "$exe"
     if [ $? -eq 124 ]; then
         echo "Test '$exe' terminated due to timeout." >&2
     fi