Truffle async test with time travel

success_time_travel_test.js

it("should successfully call specialFn because enough time passed", async function () {
    let meta = await MetaCoin.new();
    await timeTravel(86400 * 3) //3 days later
    await mineBlock() // workaround for https://github.com/ethereumjs/testrpc/issues/336
    let status = await meta.specialFn.call();
    assert.equal(status, true, "specialFn should be callable after 1 day")
})