public void GetErrorStorageDirectoryCreate()
{
// Mock where directory doesn't exist.
var mockDirectory = Mock.Of <Directory>();
ErrorLogHelper.Instance._crashesDirectory = mockDirectory;
Mock.Get(mockDirectory).Setup(d => d.Create());
Mock.Get(mockDirectory).Setup(d => d.Exists()).Returns(false);
var errorStorageDirectory = ErrorLogHelper.GetErrorStorageDirectory();
// Verify _crashesDirectory was created
Assert.IsInstanceOfType(errorStorageDirectory, typeof(Directory));
Mock.Get(mockDirectory).Verify(d => d.Create());
}