public void TestEditPluginSource()
        {
            var mockPluginSource = new Mock <IPluginSource>();

            mockPluginSource.Setup(source => source.Name).Returns("PluginSource");
            mockPluginSource.Setup(source => source.FileSystemAssemblyName).Returns("EditPluginSource");
            mockPluginSource.Setup(source => source.SelectedDll).Returns(new Mock <IDllListingModel>().Object);

            _target.EditSource(mockPluginSource.Object);
        }