Update xmake.lua (#290)

packages/c/cef/port/xmake.lua

@@ -2,6 +2,7 @@ add_rules("mode.release", "mode.debug")
 target("cef")
     set_kind("static")
     add_files("libcef_dll/**.cc")
+    del_files("libcef_dll/ctocpp/test/**")
     add_includedirs(".")
     add_headerfiles("include/(**.h)")
     add_defines("WRAPPING_CEF_SHARED")