public void GetRelatedFileExtensionProperty_SingleAssemblyAsset_GetNullProperty(string assembly, string[] assetsPaths, string expectedRelatedProperty)
        {
            // Arrange
            var collection = new ContentItemCollection();

            collection.Load(assetsPaths);

            // Act
            string relatedProperty = collection.GetRelatedFileExtensionProperty(assembly, CreateAssetsFromPathList(assetsPaths));

            // Assert
            Assert.Equal(expectedRelatedProperty, relatedProperty);
        }
        public void GetRelatedFileExtensionProperty_PlaceHolderAssembly_GetNullProperty()
        {
            // Arrange
            var    collection = new ContentItemCollection();
            string assembly   = "_._";

            string[] paths = new string[]
            {
                "_._"
            };
            collection.Load(paths);

            // Act
            string relatedProperty = collection.GetRelatedFileExtensionProperty(assembly, CreateAssetsFromPathList(paths));

            // Assert
            Assert.Equal(null, relatedProperty);
        }