public void Before_each_test()
        {
            documentStore = new EmbeddableDocumentStore { RunInMemory = true }.Initialize();

            RavenDbSimpleRoleProvider.DocumentStore = documentStore;
            roleProvider = new RavenDbSimpleRoleProvider();
            RavenDbSimpleMembershipProvider.DocumentStore = documentStore;
            membershipProvider = new RavenDbSimpleMembershipProvider();
        }
 public void After_each_test()
 {
     documentStore.Dispose();
     documentStore = null;
     roleProvider = null;
 }