Change killable to destructible and kill to destroy

test/Destructible.js

@@ -0,0 +1,18 @@
+'use strict';
+
+var Destructible = artifacts.require('../contracts/lifecycle/Destructible.sol');
+require('./helpers/transactionMined.js');
+
+contract('Destructible', function(accounts) {
+
+  it('should send balance to owner after destruction', async function() {
+    let destructible = await Destructible.new({from: accounts[0], value: web3.toWei('10','ether')});
+    let owner = await destructible.owner();
+    let initBalance = web3.eth.getBalance(owner);
+    await destructible.destroy({from: owner});
+    let newBalance = web3.eth.getBalance(owner);
+
+    assert.isTrue(newBalance > initBalance);
+  });
+
+});