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/modules/audio_processing/aec3/fft_data_unittest.cc b/modules/audio_processing/aec3/fft_data_unittest.cc
index 0812fd6..9be2680 100644
--- a/modules/audio_processing/aec3/fft_data_unittest.cc
+++ b/modules/audio_processing/aec3/fft_data_unittest.cc
@@ -44,12 +44,12 @@
 #if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
 
 // Verifies the check for null output in CopyToPackedArray.
-TEST(FftData, NonNullCopyToPackedArrayOutput) {
+TEST(FftDataDeathTest, NonNullCopyToPackedArrayOutput) {
   EXPECT_DEATH(FftData().CopyToPackedArray(nullptr), "");
 }
 
 // Verifies the check for null output in Spectrum.
-TEST(FftData, NonNullSpectrumOutput) {
+TEST(FftDataDeathTest, NonNullSpectrumOutput) {
   EXPECT_DEATH(FftData().Spectrum(Aec3Optimization::kNone, nullptr), "");
 }