Add tfpark example test (#1736)
Add tfpark example test (#1736)

* add tfpark example test

* fix path

* add pip

yangw1234/BigDL,yangw1234/BigDL,intel-analytics/BigDL,intel-analytics/BigDL,intel-analytics/BigDL,yangw1234/BigDL,yangw1234/BigDL,intel-analytics/BigDL