Merge from bittboy/buildroot@26c91a9

support/testing/tests/fs/test_jffs2.py

@@ -1,5 +1,4 @@
 import os
-import subprocess
 
 import infra.basetest
 
@@ -30,9 +29,8 @@ class TestJffs2(infra.basetest.BRTest):
 
     def test_run(self):
         img = os.path.join(self.builddir, "images", "rootfs.jffs2")
-        out = subprocess.check_output(["host/sbin/jffs2dump", "-c", img],
-                                      cwd=self.builddir,
-                                      env={"LANG": "C"})
+        cmd = ["host/sbin/jffs2dump", "-c", img]
+        out = infra.run_cmd_on_host(self.builddir, cmd)
         out = out.splitlines()
         self.assertTrue(jffs2dump_find_file(out, "busybox"))