public void Validate_Filter_Collection()
{
var collection = new NameValueCollection {
{ "oauth_consumer_key", "key" }, { "car", "black" }, { "oauth_timestamp", "timestamp" }, { "oauth_signature", "sig" }
};
var filteredCollection = new NameValueCollection {
{ "car", "black" }
};
collection.FilterCollection().CollectionEquals(filteredCollection).Should().BeTrue();
}