Tests snippet storage.

Dumping saved snippets:
Dumping storage snippets:
Snippet created.
Dumping saved snippets:
    Snippet: id = 1, name = 'Test snippet #1', content = ''.
Dumping storage snippets:
Snippet renamed.
Dumping saved snippets:
    Snippet: id = 1, name = 'New snippet name', content = ''.
Dumping storage snippets:
Snippet content changed.
Dumping saved snippets:
    Snippet: id = 1, name = 'New snippet name', content = 'New snippet content'.
Dumping storage snippets:
Another snippet created.
Dumping saved snippets:
    Snippet: id = 1, name = 'New snippet name', content = 'New snippet content'.
    Snippet: id = 2, name = 'Test snippet #2', content = ''.
Dumping storage snippets:
Snippet deleted.
Dumping saved snippets:
    Snippet: id = 2, name = 'Test snippet #2', content = ''.
Dumping storage snippets:
Another snippet deleted.
Dumping saved snippets:
Dumping storage snippets: