diff -U8 b/test/test_duplex.cpp b/test/test_duplex.cpp
--- b/test/test_duplex.cpp
+++ b/test/test_duplex.cpp
@@ -13,16 +13,18 @@
 #endif
 #include "cubeb/cubeb.h"
 #include <atomic>
 #include <math.h>
 #include <memory>
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "mozilla/gtest/MozHelpers.h"
+
 // #define ENABLE_NORMAL_LOG
 // #define ENABLE_VERBOSE_LOG
 #include "common.h"
 
 #define SAMPLE_FREQUENCY 48000
 #define STREAM_FORMAT CUBEB_SAMPLE_FLOAT32LE
 #define INPUT_CHANNELS 1
 #define INPUT_LAYOUT CUBEB_LAYOUT_MONO
@@ -196,16 +198,21 @@ TEST(cubeb, duplex_collection_change)
 
   duplex_collection_change_impl(ctx);
   r = cubeb_register_device_collection_changed(
       ctx, static_cast<cubeb_device_type>(CUBEB_DEVICE_TYPE_INPUT), nullptr,
       nullptr);
   ASSERT_EQ(r, CUBEB_OK);
 }
 
+void CauseDeath(cubeb * p) {
+  mozilla::gtest::DisableCrashReporter();
+  cubeb_destroy(p);
+}
+
 #ifdef GTEST_HAS_DEATH_TEST
 TEST(cubeb, duplex_collection_change_no_unregister)
 {
   cubeb * ctx;
   int r;
 
   r = common_init(&ctx, "Cubeb duplex example with collection change");
   ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb library";
@@ -213,19 +220,27 @@ TEST(cubeb, duplex_collection_change_no_
   /* This test needs an available input device, skip it if this host does not
    * have one. */
   if (!can_run_audio_input_test(ctx)) {
     cubeb_destroy(ctx);
     return;
   }
 
   std::unique_ptr<cubeb, decltype(&cubeb_destroy)> cleanup_cubeb_at_exit(
-      ctx, [](cubeb * p) noexcept { EXPECT_DEATH(cubeb_destroy(p), ""); });
+      ctx, [](cubeb * p) noexcept { EXPECT_DEATH(CauseDeath(p), ""); });
 
   duplex_collection_change_impl(ctx);
+
+#  if defined(XP_MACOSX) && !defined(MOZ_DEBUG)
+  // For some reason this test hangs on macOS in non-debug builds when the child
+  // process (death test fork) crashes and the crash reporter is enabled in the
+  // parent process. There is not much left to do that can cause a crash in the
+  // parent process anyway, so disable the crash reporter where needed to pass.
+  mozilla::gtest::DisableCrashReporter();
+#  endif
 }
 #endif
 
 long
 data_cb_input(cubeb_stream * stream, void * user, const void * inputbuffer,
               void * outputbuffer, long nframes)
 {
   if (stream == NULL || inputbuffer == NULL || outputbuffer != NULL) {