diff --git a/platformio/builder/tools/piomisc.py b/platformio/builder/tools/piomisc.py
index 178b7b6a..75fec40a 100644
--- a/platformio/builder/tools/piomisc.py
+++ b/platformio/builder/tools/piomisc.py
@@ -135,6 +135,8 @@ def generate(env):
     env.AddMethod(GetActualLDScript)
     env.AddMethod(ConfigureDebugTarget)
     env.AddMethod(GetExtraScripts)
+    # bakward-compatibility with Zephyr build script
+    env.AddMethod(ConfigureDebugTarget, "ConfigureDebugFlags")
 
 
 def exists(_):
diff --git a/tests/commands/test_test.py b/tests/commands/test_test.py
index dd8ef501..a91bbb7b 100644
--- a/tests/commands/test_test.py
+++ b/tests/commands/test_test.py
@@ -102,6 +102,9 @@ void setUp(){
     my_extra_fun();
 }
 
+void tearDown(){
+}
+
 void dummy_test(void) {
     TEST_ASSERT_EQUAL(1, TEST_ONE);
 }