diff --git a/support/testing/infra/basetest.py b/support/testing/infra/basetest.py
index b85e8627fd..f3f13ad97f 100644
--- a/support/testing/infra/basetest.py
+++ b/support/testing/infra/basetest.py
@@ -58,6 +58,7 @@ class BRTest(unittest.TestCase):
 
         if not self.b.is_finished():
             self.show_msg("Building")
+            self.b.configure()
             self.b.build()
             self.show_msg("Building done")
 
diff --git a/support/testing/infra/builder.py b/support/testing/infra/builder.py
index 36f4801a2d..faf1eb1494 100644
--- a/support/testing/infra/builder.py
+++ b/support/testing/infra/builder.py
@@ -12,7 +12,7 @@ class Builder(object):
         self.builddir = builddir
         self.logfile = infra.open_log_file(builddir, "build", logtofile)
 
-    def build(self):
+    def configure(self):
         if not os.path.isdir(self.builddir):
             os.makedirs(self.builddir)
 
@@ -33,6 +33,8 @@ class Builder(object):
         if ret != 0:
             raise SystemError("Cannot olddefconfig")
 
+    def build(self):
+        env = {"PATH": os.environ["PATH"]}
         cmd = ["make", "-C", self.builddir]
         ret = subprocess.call(cmd, stdout=self.logfile, stderr=self.logfile,
                               env=env)