Fix the test case for C interface in RTC RC

Bug: b:383744068
Change-Id: I4677bb0a1fac0289daa02f123ce1f305cd3aef36

test/ratectrl_rtc_test.cc

diff --git a/test/ratectrl_rtc_test.cc b/test/ratectrl_rtc_test.cc
index b5ac487..d395913 100644
--- a/test/ratectrl_rtc_test.cc
+++ b/test/ratectrl_rtc_test.cc
@@ -623,7 +623,9 @@
   ASSERT_NE(controller, nullptr);
   aom::AV1SegmentationData segmentation_data;
 
-  ASSERT_TRUE(
+  // This should returen false as this test case doesn't run any part of the
+  // underlying rate control, and cyclic refresh will not be turned on.
+  ASSERT_FALSE(
       av1_ratecontrol_rtc_get_segmentation(controller, &segmentation_data));
   av1_ratecontrol_rtc_destroy(controller);
 }