Add L2T3 K-SVC structure

Bug: webrtc:11999
Change-Id: I1bfb8674b95be8155035117c771b5e4c4bfc29c5
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/208260
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Emil Lundmark <lndmrk@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33299}
diff --git a/modules/video_coding/svc/scalability_structure_unittest.cc b/modules/video_coding/svc/scalability_structure_unittest.cc
index bd94b0c..8bd933b 100644
--- a/modules/video_coding/svc/scalability_structure_unittest.cc
+++ b/modules/video_coding/svc/scalability_structure_unittest.cc
@@ -304,6 +304,7 @@
            SvcTestParam{"L2T2", /*num_temporal_units=*/4},
            SvcTestParam{"L2T2_KEY", /*num_temporal_units=*/4},
            SvcTestParam{"L2T2_KEY_SHIFT", /*num_temporal_units=*/4},
+           SvcTestParam{"L2T3_KEY", /*num_temporal_units=*/8},
            SvcTestParam{"L3T3_KEY", /*num_temporal_units=*/8}),
     [](const testing::TestParamInfo<SvcTestParam>& info) {
       return info.param.name;