diff --git a/bazel/labgrid/runner/runner.py b/bazel/labgrid/runner/runner.py
index f111cb3719f69938d829119b10b97727e7f7d288..0134be26477ed1681ec3c0d726fbdd0c98551fce 100644
--- a/bazel/labgrid/runner/runner.py
+++ b/bazel/labgrid/runner/runner.py
@@ -71,6 +71,9 @@ def runner():
 
 
 class Runner:
+    _xml_output_file = "results.xml"
+    _test_shard_status_file = "test.shard"
+
     def __init__(self, transfer, shell):
         self._transfer = transfer
         self._shell = shell
@@ -187,11 +190,20 @@ class Runner:
 
     @staticmethod
     def _default_env():
-        inherit_env = ["BAZEL_TEST", "TEST_TOTAL_SHARDS", "TEST_SHARD_INDEX"]
+        inherit_env = [
+            "BAZEL_TEST",
+            "LOGNAME",
+            "TEST_SHARD_INDEX",
+            "TEST_SRCDIR",
+            "TEST_TMPDIR",
+            "TEST_TOTAL_SHARDS",
+            "TZ",
+            "USER",
+        ]
 
         env = {
-            "XML_OUTPUT_FILE": "results.xml",
-            "TEST_SHARD_STATUS_FILE": "test.shard",
+            "XML_OUTPUT_FILE": Runner._xml_output_file,
+            "TEST_SHARD_STATUS_FILE": Runner._test_shard_status_file,
         }
 
         return {k: environ.get(k) for k in inherit_env if k in environ} | {
@@ -201,8 +213,8 @@ class Runner:
     @staticmethod
     def _default_downloads():
         get = {
-            "XML_OUTPUT_FILE": "results.xml",
-            "TEST_SHARD_STATUS_FILE": "test.shard",
+            "XML_OUTPUT_FILE": Runner._xml_output_file,
+            "TEST_SHARD_STATUS_FILE": Runner._test_shard_status_file,
         }
 
         return [