Add ignore_status=True to prevent breakage of the function

Change-Id: I94735d6f75c7dc54b0a4fbf799558f4f4f0ff86f
diff --git a/acts/framework/acts/test_utils/gnss/gnss_test_utils.py b/acts/framework/acts/test_utils/gnss/gnss_test_utils.py
index 9316df6..327b14b 100644
--- a/acts/framework/acts/test_utils/gnss/gnss_test_utils.py
+++ b/acts/framework/acts/test_utils/gnss/gnss_test_utils.py
@@ -216,7 +216,7 @@
     """
     ad.root_adb()
     ad.log.info("Disable XTRA-daemon until next reboot.")
-    ad.adb.shell("killall xtra-daemon")
+    ad.adb.shell("killall xtra-daemon", ignore_status=True)
 
 
 def disable_private_dns_mode(ad):
diff --git a/acts/framework/acts/test_utils/tel/tel_test_utils.py b/acts/framework/acts/test_utils/tel/tel_test_utils.py
index 70c267d..badb437 100644
--- a/acts/framework/acts/test_utils/tel/tel_test_utils.py
+++ b/acts/framework/acts/test_utils/tel/tel_test_utils.py
@@ -8221,7 +8221,7 @@
         test_name: tcpdump file name will have this
 
     """
-    out = ad.adb.shell("ls -l /data/local/tmp/tcpdump/")
+    out = ad.adb.shell("ls -l /data/local/tmp/tcpdump/", ignore_status=True)
     if "No such file" in out or not out:
         ad.adb.shell("mkdir /data/local/tmp/tcpdump")
     else: