user32/tests: Test return value of EnumDesktopsA (PVS-Studio)

[André Hentschel]

---
 dlls/user32/tests/winstation.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/user32/tests/winstation.c b/dlls/user32/tests/winstation.c
index c09ebb1..aaf8c0e 100644
--- a/dlls/user32/tests/winstation.c
+++ b/dlls/user32/tests/winstation.c
@@ -685,6 +685,7 @@ static void test_inputdesktop2(void)
     ok(hdesk != NULL, "GetThreadDesktop failed!\n");
     ok(hdesk == thread_desk, "thread desktop should not change after winstation changed!\n");
     ret = EnumDesktopsA(GetProcessWindowStation(), desktop_callbackA, 0);
+    ok(!ret, "EnumDesktopsA failed!\n");
 
     new_desk = CreateDesktopA("desk_test", NULL, NULL, 0, DESKTOP_ALL_ACCESS, NULL);
     ok(new_desk != NULL, "CreateDesktop failed!\n");
-- 
1.9.1