public async void ConfigurationProjectConfigurationDimensionProvider_GetProjectConfigurationDimensionsAsync_NoPropertyValue()
        {
            using (var projectFile = new MsBuildProjectFile())
            {
                IProjectXmlAccessor _projectXmlAccessor = IProjectXmlAccessorFactory.Create(projectFile.Project);
                var provider            = new ConfigurationProjectConfigurationDimensionProvider(_projectXmlAccessor);
                var unconfiguredProject = UnconfiguredProjectFactory.Create(filePath: projectFile.Filename);
                var values = await provider.GetProjectConfigurationDimensionsAsync(unconfiguredProject);

                Assert.Equal(0, values.Count());
            }
        }
        public async void ConfigurationProjectConfigurationDimensionProvider_GetProjectConfigurationDimensionsAsync()
        {
            using (var projectFile = new MsBuildProjectFile(projectXml))
            {
                IProjectXmlAccessor _projectXmlAccessor = IProjectXmlAccessorFactory.Create(projectFile.Project);
                var provider            = new ConfigurationProjectConfigurationDimensionProvider(_projectXmlAccessor);
                var unconfiguredProject = UnconfiguredProjectFactory.Create(filePath: projectFile.Filename);
                var values = await provider.GetProjectConfigurationDimensionsAsync(unconfiguredProject);

                Assert.Equal(1, values.Count());
                var value = values.First();
                Assert.Equal(ConfigurationGeneral.ConfigurationProperty, value.Key);
                string[] dimensionValues = value.Value.ToArray();
                Assert.Equal(3, dimensionValues.Length);
                Assert.Equal("Debug", dimensionValues[0]);
                Assert.Equal("Release", dimensionValues[1]);
                Assert.Equal("CustomConfiguration", dimensionValues[2]);
            }
        }