gstharness: add gst_harness_set_single_segment
Submitted by Håvard Graff (hgr)
Link to original bug (#755999)
Description
Created attachment 312589
implementation with test
"borrowed" from gstidentity, single-segment allows testing continuous timestamping even when multiple segments are involved, without having to do the "segment-math" manually.
Patch 312589, "implementation with test":
gstharness-singlesegment.patch