public void Should_instantiate_a_dictionary_given_a_keyPairValue()
{
List <KeyValuePair <string, object> > metadatas = new List <KeyValuePair <string, object> >
{
new KeyValuePair <string, object>("key1", "value1"),
new KeyValuePair <string, object>("key2", "value2")
};
var metadataCollection = new MetadataCollection(metadatas);
metadataCollection.Should().HaveCount(2);
}