myVcs.createFile("file2", "content2");
myVcs.commit();
myVcs.createFile("file3", "content3");
myVcs.changeFile("file1", "new content1");
myVcs.commit();
<BUG>Integer id1 = myVcs.getId("file1");
Integer id2 = myVcs.getId("file2");
Integer id3 = myVcs.getId("file3");
List<Snapshot> snapshots = myVcs.getSnapshots();</BUG>
assertEquals(2, snapshots.size());

myVcs.createFile("file2", "content2");
myVcs.commit();
myVcs.createFile("file3", "content3");
myVcs.changeFile("file1", "new content1");
myVcs.commit();
Integer id1 = myVcs.getRevision("file1").getObjectId();
Integer id2 = myVcs.getRevision("file2").getObjectId();
Integer id3 = myVcs.getRevision("file3").getObjectId();
List<Snapshot> snapshots = myVcs.getSnapshots();
assertEquals(2, snapshots.size());
