Add more functions for unit testing: gst_check_drop_buffers, gst_check_caps_equal, gst_check_element_push_buffer_list...

Original commit message from CVS:
* docs/libs/gstreamer-libs-sections.txt:
* libs/gst/check/gstcheck.c:
* libs/gst/check/gstcheck.h:
Add more functions for unit testing: gst_check_drop_buffers,
gst_check_caps_equal, gst_check_element_push_buffer_list,
gst_check_element_push_buffer
4 files changed