[PATCH v4 1/2] user32/tests:Add test function Used to verify the child window Z order problem

[Jiajin Cui]

Signed-off-by: cuijiajin <cuijiajin(a)uniontech.com>
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 dlls/user32/tests/win.c | 58 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)