Fix a comment typo

Bug: b:394563983
Change-Id: Iaa7148962df5afcbfa554bad42026bae361ca150
(cherry picked from commit 96c8ce6160dea6ff5c7d102f561486d000f4584a)

test/svc_datarate_test.cc

diff --git a/test/svc_datarate_test.cc b/test/svc_datarate_test.cc
index 35ccd6f..13b0ba7 100644
--- a/test/svc_datarate_test.cc
+++ b/test/svc_datarate_test.cc
@@ -2732,7 +2732,7 @@
 // Check basic rate targeting for CBR, for 2 temporal layers, 1 spatial
 // for screen mode, with frame dropper on at low bitrates. Use small
 // values of rc_buf_initial/optimal/sz to trigger postencode frame drop.
-// Use 1920x1080 clip. This tests runs with 4 threads.
+// Use 1920x1080 clip. This test runs with 4 threads.
 TEST_P(DatarateTestSVC,
        BasicRateTargetingSVC2TL1SLScreenDropFrame1920x10804Thread) {
   BasicRateTargetingSVC2TL1SLScreenDropFrame1920x10804ThreadTest();