message: Rename snapshot method
diff: @@ -18,7 +18,8 @@ describe('snapshots', () => {
  trie.put(toU8a('test'), toU8a('one'));
  trie.put(toU8a('doge'), toU8a('coin'));
  trie.del(toU8a('doge'));
  - trie.createSnapshot(back, () => {});
  +
  + trie.snapshot(back, () => {});
  expect(back.getRoot()).toEqual(root);
  expect(trie.get(toU8a('test'))).toEqual(toU8a('one'));
  @@ -36,7 +37,8 @@ describe('snapshots', () => {
  trie.put(toU8a('dog'), toU8a('doggie'));
  trie.put(toU8a('dogge'), toU8a('bigger dog'));
  trie.put(toU8a('dodge'), toU8a('coin'));
  - trie.createSnapshot(back, () => {});
  +
  + trie.snapshot(back, () => {});
  expect(back.getRoot()).toEqual(root);
  expect(back.get(toU8a('one'))).toEqual(toU8a('testing'));
  