public void DisposeStopsServer()
        {
            // Arrange
            var server = new Mock<IWebServer>();
            var impl = new WelcomePageImpl(Mock.Of<ISolutionFolder>(), Mock.Of<IDefaultDocumentPolicy>(),Mock.Of<IItemOperations>(), server.Object);
            impl.OnAfterOpenSolution();

            // Act
            impl.Dispose();

            // Assert
            server.Verify(x => x.Stop(), Times.Once());
        }