diff --git a/src/darwin/Framework/CHIPTests/TestHelpers/MTRTestCase.mm b/src/darwin/Framework/CHIPTests/TestHelpers/MTRTestCase.mm
index ee036574734b2b..915df782be4f43 100644
--- a/src/darwin/Framework/CHIPTests/TestHelpers/MTRTestCase.mm
+++ b/src/darwin/Framework/CHIPTests/TestHelpers/MTRTestCase.mm
@@ -73,17 +73,28 @@ - (void)tearDown
         int pid = getpid();
         __auto_type * cmd = [NSString stringWithFormat:@"leaks %d", pid];
         int ret = system(cmd.UTF8String);
-        if (WIFEXITED(ret)) {
-            // leaks ran to completion.
-            XCTAssertEqual(WEXITSTATUS(ret), 0, "LEAKS DETECTED");
-        } else {
-            // leaks failed to actually run to completion (e.g. crashed or ran
-            // into some other sort of failure trying to do its work).  Ideally
-            // we would fail our tests in that case, but this seems to be
-            // happening a fair amount, and randomly, on the ARM GitHub runners.
+        if (WIFSIGNALED(ret)) {
+            XCTFail(@"leaks unexpectedly stopped by signal %d", WTERMSIG(ret));
+        }
+        XCTAssertTrue(WIFEXITED(ret), "leaks did not run to completion");
+        // The exit status is 0 if no leaks detected, 1 if leaks were detected,
+        // something else on error.
+        if (WEXITSTATUS(ret) == 1) {
+            XCTFail(@"LEAKS DETECTED");
+        } else if (WEXITSTATUS(ret) != 0) {
+            // leaks failed to actually run correctly.  Ideally we would fail
+            // our tests in that case, but this seems to be happening a fair
+            // amount, and randomly, on the ARM GitHub runners, with errors
+            // like:
+            //
+            // *** getStackLoggingSharedMemoryAddressFromTask: couldn't find ___mach_stack_logging_shared_memory_address in target task
+            // *** task_malloc_get_all_zones: error 1 reading num_zones at 0
+            // *** task_malloc_get_all_zones: error 1 reading num_zones at 0
+            // *** task_malloc_get_all_zones: error 1 reading num_zones at 0
+            // [fatal] unable to instantiate a memory scanner.
+            //
             // Just log and ignore for now.
-            XCTAssertFalse(WIFSTOPPED(ret), "Not expecting a stopped leaks");
-            NSLog(@"Stopped by signal %d", WTERMSIG(ret));
+            NSLog(@"leaks failed to run, exit status: %d", WEXITSTATUS(ret));
         }
     }
 #endif