Some test I found to be at least interesting. My results were accurate and insightful though you can't blame me if your results are a little out there. It is 8 questions, so be deliberative.
Hugo's Socionics Type Indicator, v. 6
In socionics, subtype is the function that you use the most often. In socionics you can be an ENTp with primary thinking. You can be an ENTp with equal intuition and thinking. However you can't be an ENTp with primary feeling or sensing.
square = logic (thinking)
hexagon = ethics (feeling)
circle = sensing
triangle = intuition
black = extroverted
white = introverted
Here are some links to wikisocion for when you get your results. It says you're ____ or ____ so take a look at your personality page, then your subtype description will fall under the according function title.