gistfile1.txt

% git diff
diff --git a/build.xml b/build.xml
index 39bf8e4..a4a1d2a 100644
--- a/build.xml
+++ b/build.xml
@@ -664,6 +664,8 @@
            forkmode="perBatch"
            haltonfailure="on"
            haltonerror="on">
+      <sysproperty key="user.language" value="de" />
+      <sysproperty key="user.region" value="DE" />
       <sysproperty key="buck.path_to_pex" value="${buck.path_to_pex}" />
       <sysproperty key="buck.path_to_python_test_main" value="${buck.path_to_python_test_main}" />
       <sysproperty key="buck.logging_config_file" value="${buck.test_logging_config_file}" />