diff --git a/dev/devicelab/bin/tasks/flutter_gallery__back_button_memory.dart b/dev/devicelab/bin/tasks/flutter_gallery__back_button_memory.dart
index f74d5aef70..c8d8ae82d6 100644
--- a/dev/devicelab/bin/tasks/flutter_gallery__back_button_memory.dart
+++ b/dev/devicelab/bin/tasks/flutter_gallery__back_button_memory.dart
@@ -26,7 +26,7 @@ class BackButtonMemoryTest extends MemoryTest {
   Future<void> useMemory() async {
     await launchApp();
     await recordStart();
-    for (int iteration = 0; iteration < 10; iteration += 1) {
+    for (int iteration = 0; iteration < 8; iteration += 1) {
       print('back/forward iteration $iteration');
 
       // Push back button, wait for it to be seen by the Flutter app.
diff --git a/dev/devicelab/lib/framework/adb.dart b/dev/devicelab/lib/framework/adb.dart
index f6db339c35..0008243832 100644
--- a/dev/devicelab/lib/framework/adb.dart
+++ b/dev/devicelab/lib/framework/adb.dart
@@ -322,7 +322,7 @@ class AndroidDevice implements Device {
         process.exitCode.then<void>((int exitCode) {
           print('adb logcat process terminated with exit code $exitCode');
           if (!aborted) {
-            stream.addError(BuildFailedError('adb logcat failed with exit code $exitCode.'));
+            stream.addError(BuildFailedError('adb logcat failed with exit code $exitCode.\n'));
             processDone.complete();
           }
         });