diff --git a/tests/use_case/img_class/InferenceTestMobilenetV2.cc b/tests/use_case/img_class/InferenceTestMobilenetV2.cc
index 698382f..b2720a8 100644
--- a/tests/use_case/img_class/InferenceTestMobilenetV2.cc
+++ b/tests/use_case/img_class/InferenceTestMobilenetV2.cc
@@ -22,6 +22,7 @@
 
 #include <catch.hpp>
 
+using namespace test;
 
 bool RunInference(arm::app::Model& model, const uint8_t imageData[])
 {