fixed uninitialized values warning in bad arg test class
fixed uninitialized values warning in bad arg test class

(cherry picked from commit 47cee8715bb086f6b0ca0f5b301d2eec87ce9f2a)

opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv