Do not run cmake test on WoA cross-compile

On coin for WoA we have hackish setup to reduce integration time where
host tools are deliver by mingw, build is done as cross build
and tests run natively on WoA, meaning tooling can not execute
natively.

Task-number: COIN-1211
Change-Id: Iaa0605e59750b1076fc8c50b7b11e00569c4a42a
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

Author: Michal Klocek

tests/auto/CMakeLists.txt

@@ -1,7 +1,9 @@
 # Copyright (C) 2022 The Qt Company Ltd.
 # SPDX-License-Identifier: BSD-3-Clause
 
-add_subdirectory(cmake)
+if(NOT (WIN32 AND CMAKE_CROSSCOMPILING))
+    add_subdirectory(cmake)
+endif()
 if(QT_FEATURE_process AND NOT CMAKE_CROSSCOMPILING)
     add_subdirectory(linguist)
     add_subdirectory(qtattributionsscanner)