Rename more death test to *DeathTest

Bug: webrtc:11577
Change-Id: If45e322fed3f2935e64c9e4d7e8c096eccc53ac4
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/176140
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Tommi <tommi@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31362}
diff --git a/system_wrappers/source/metrics_unittest.cc b/system_wrappers/source/metrics_unittest.cc
index 9e5bc86..7532b2a 100644
--- a/system_wrappers/source/metrics_unittest.cc
+++ b/system_wrappers/source/metrics_unittest.cc
@@ -114,7 +114,8 @@
 }
 
 #if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
-TEST_F(MetricsTest, RtcHistogramsCounts_InvalidIndex) {
+using MetricsDeathTest = MetricsTest;
+TEST_F(MetricsDeathTest, RtcHistogramsCounts_InvalidIndex) {
   EXPECT_DEATH(RTC_HISTOGRAMS_COUNTS_1000(-1, "Name", kSample), "");
   EXPECT_DEATH(RTC_HISTOGRAMS_COUNTS_1000(3, "Name", kSample), "");
   EXPECT_DEATH(RTC_HISTOGRAMS_COUNTS_1000(3u, "Name", kSample), "");