ACF5, ACF9: Clear mines around cyborg when it appears
This prevents script problems in case the cyborg dies in a cut scene because of the mines
Lua scripts for engine testing. These scripts are the same as other Lua scripts
in Hedgewars, but you ought to call `EndLuaTest(TEST_SUCCESSFUL)` or
`EndLuaTest(TEST_FAILED)` when the test is completed.