public void ShouldCommitCompletion_NoCompletionItemKinds_ReturnsFalse()
        {
            // Arrange
            var manager    = new RazorDirectiveAttributeCommitManager();
            var properties = new PropertyCollection();
            var session    = Mock.Of <IAsyncCompletionSession>(s => s.Properties == properties, MockBehavior.Strict);

            // Act
            var result = manager.ShouldCommitCompletion(session, location: default, typedChar: '=', token: default);
        internal IAsyncCompletionCommitManager CreateCommitManager()
        {
            var completionSource = new RazorDirectiveAttributeCommitManager();

            return(completionSource);
        }