diff --git a/support/testing/infra/basetest.py b/support/testing/infra/basetest.py
index 1a082bb441..07c180e232 100644
--- a/support/testing/infra/basetest.py
+++ b/support/testing/infra/basetest.py
@@ -41,6 +41,7 @@ class BRTest(unittest.TestCase):
         self.testname = self.__class__.__name__
         self.builddir = self.outputdir and os.path.join(self.outputdir, self.testname)
         self.emulator = None
+        self.config = '\n'.join([line.lstrip() for line in self.config.splitlines()])
 
     def show_msg(self, msg):
         print "{} {:40s} {}".format(datetime.datetime.now().strftime("%H:%M:%S"),