diff --git a/grizzly/target/adb_device/adb_process.py b/grizzly/target/adb_device/adb_process.py
index f7cbb69b..83985885 100644
--- a/grizzly/target/adb_device/adb_process.py
+++ b/grizzly/target/adb_device/adb_process.py
@@ -2,6 +2,7 @@
 import re
 from enum import Enum, unique
 from logging import getLogger
+from pathlib import Path
 from random import getrandbits
 from shutil import copy, rmtree
 from tempfile import NamedTemporaryFile, mkdtemp
@@ -328,10 +329,10 @@ def prefs_to_dict(prefs_file):
     def _process_logs(self, crash_reports):
         assert self.logs is None
         self.logs = mkdtemp(prefix="logs_", dir=grz_tmp("logs"))
-        unprocessed = os.path.join(self.logs, "unprocessed")
-        os.mkdir(unprocessed)
+        unprocessed = Path(self.logs) / "unprocessed"
+        unprocessed.mkdir(exist_ok=True)
 
-        with open(os.path.join(self.logs, "log_logcat.txt"), "wb") as log_fp:
+        with (Path(self.logs) / "log_logcat.txt").open("wb") as log_fp:
             # TODO: should this filter by pid or not?
             log_fp.write(self._session.collect_logs())
             # log_fp.write(self._session.collect_logs(pid=self._pid))
@@ -341,11 +342,15 @@ def _process_logs(self, crash_reports):
 
         # copy crash logs from the device
         for fname in crash_reports:
-            self._session.pull(fname, unprocessed)
+            self._session.pull(fname, str(unprocessed))
 
         with PuppetLogger() as logger:
-            syms_path = self._session.symbols_path(self._package)
-            process_minidumps(unprocessed, syms_path, logger.add_log)
+            if any(unprocessed.glob("*.dmp")):
+                process_minidumps(
+                    unprocessed,
+                    Path(self._session.symbols_path(self._package)),
+                    logger.add_log,
+                )
             logger.close()
             logger.save_logs(self.logs)
 
diff --git a/grizzly/target/adb_device/test_adb_process.py b/grizzly/target/adb_device/test_adb_process.py
index 7404ca8b..30148e6e 100644
--- a/grizzly/target/adb_device/test_adb_process.py
+++ b/grizzly/target/adb_device/test_adb_process.py
@@ -183,33 +183,37 @@ def test_adb_process_10(mocker, tmp_path):
     assert any(dmp_path.glob("fake.txt"))
 
 
-def test_adb_process_11(mocker):
+def test_adb_process_11(mocker, tmp_path):
     """test ADBProcess._process_logs()"""
     mocker.patch("grizzly.target.adb_device.adb_process.Bootstrapper", autospec=True)
+    mocker.patch(
+        "grizzly.target.adb_device.adb_process.mkdtemp",
+        autospec=True,
+        return_value=str(tmp_path),
+    )
     mocker.patch("grizzly.target.adb_device.adb_process.PuppetLogger", autospec=True)
     fake_proc_md = mocker.patch(
         "grizzly.target.adb_device.adb_process.process_minidumps", autospec=True
     )
     fake_session = mocker.Mock(spec_set=ADBSession)
     fake_session.collect_logs.return_value = b"fake logcat data"
+    fake_session.symbols_path.return_value = "foo"
     with ADBProcess("org.some.app", fake_session) as proc:
         # no extra logs
         proc._process_logs([])
-        assert isdir(proc.logs)
-        try:
-            assert "log_logcat.txt" in listdir(proc.logs)
-        finally:
-            rmtree(proc.logs)
+        assert "log_logcat.txt" in listdir(proc.logs)
+        rmtree(proc.logs)
         proc.logs = None
         assert fake_proc_md.call_count == 0
         assert fake_session.pull.call_count == 0
         # other logs available
+        (tmp_path / "unprocessed").mkdir(parents=True)
+        (tmp_path / "unprocessed" / "log.dmp").touch()
+        (tmp_path / "unprocessed" / "asan_log.dmp").touch()
         proc._process_logs(["log.dmp", "asan_log.txt"])
         assert isdir(proc.logs)
-        try:
-            assert "log_logcat.txt" in listdir(proc.logs)
-        finally:
-            rmtree(proc.logs)
+        assert "log_logcat.txt" in listdir(proc.logs)
+        rmtree(proc.logs)
         assert fake_proc_md.call_count == 1
         assert fake_session.pull.call_count == 2
 
diff --git a/grizzly/target/adb_device/test_adb_session.py b/grizzly/target/adb_device/test_adb_session.py
index e7abebf7..07982998 100644
--- a/grizzly/target/adb_device/test_adb_session.py
+++ b/grizzly/target/adb_device/test_adb_session.py
@@ -652,15 +652,10 @@ def fake_adb_call(cmd, timeout=None):
             # strip shell args
             cmd.remove("-T")
             cmd.remove("-n")
-            if cmd[2] == "ps":
-                return (
-                    0,
-                    "header... this should be skipped\n"
-                    "1337  1772  1024    org.test.preinstalled\n"
-                    "5847  1     315992  /sbin/adbd\n"
-                    "9990  1772  1221212 org.mozilla.fennec_aurora\n"
-                    "5944  5847  6280    ps\n\n",
-                )
+            if cmd[2] == "pidof":
+                if cmd[3] == "org.test.preinstalled":
+                    return 0, "1337"
+                return 1, ""
         raise AssertionError("unexpected command %r" % (cmd,))
 
     mocker.patch(
@@ -1046,12 +1041,8 @@ def fake_adb_call(cmd, timeout=None):
             cmd.remove("-T")
             cmd.remove("-n")
             if cmd[2] == "ps":
-                assert cmd[-1] == "9990"
-                return (
-                    0,
-                    "PID   PPID  RSS    NAME\n"
-                    "9990  1772  128064 org.mozilla.fennec_aurora\n\n",
-                )
+                assert "9990" in cmd
+                return 0, "PID\n9990\n\n"
         raise AssertionError("unexpected command %r" % (cmd,))
 
     mocker.patch(