public void GetCollection_ReturnsValidCollection()
{
// arrange
string dbName = "db name",
collectionName = "collection name";
_provider = new MongoDbProvider(_connStr, _mockMongo);
_provider.Init(dbName);
// act
var collection = _provider.GetCollection <BsonDocument>(collectionName);
// assert
Assert.IsNotNull(collection);
Assert.AreEqual(collectionName, collection.CollectionNamespace.CollectionName);
}