Remove parachute early if hog is inside land
Fixes a bug: When you used parachute right after using a parachute to dig inside land, you might become stuck. Reported here: https://hedgewars.org/node/9035
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.