public void RemoveElementById() {
var underTest = new IgnoredEntitiesCollection();
Assert.That(underTest.IsIgnoredId(this.objectId), Is.EqualTo(IgnoredState.NOT_IGNORED));
underTest.Add(Mock.Of<IIgnoredEntity>(o => o.ObjectId == this.objectId && o.LocalPath == this.localPath));
underTest.Remove(this.objectId);
Assert.That(underTest.IsIgnoredId(this.objectId), Is.EqualTo(IgnoredState.NOT_IGNORED));
}