Enabled tests on IE backend

modules/dnn/src/layers/normalize_bbox_layer.cpp

@@ -65,7 +65,7 @@ public:
     {
         if (backendId == DNN_BACKEND_INFERENCE_ENGINE)
         {
-            if (!(pnorm == 2 || pnorm == 1)) {
+            if (pnorm != 2) {
                 return false;
             }
             return preferableTarget == DNN_TARGET_MYRIAD ? !acrossSpatial : startAxis == 1;

modules/dnn/test/test_backends.cpp

@@ -226,7 +226,7 @@ TEST_P(DNNTestNetwork, OpenPose_pose_mpi_faster_4_stages)
 TEST_P(DNNTestNetwork, OpenFace)
 {
 #if defined(INF_ENGINE_RELEASE)
-#if (INF_ENGINE_RELEASE < 2018030000 || INF_ENGINE_RELEASE == 2018050000)
+#if (INF_ENGINE_RELEASE < 2018030000)
     if (backend == DNN_BACKEND_INFERENCE_ENGINE && target == DNN_TARGET_MYRIAD)
         throw SkipTestException("");
 #elif INF_ENGINE_RELEASE < 2018040000

modules/dnn/test/test_torch_importer.cpp

@@ -272,12 +272,12 @@ class Test_Torch_nets : public DNNTestLayer {};
 
 TEST_P(Test_Torch_nets, OpenFace_accuracy)
 {
-#if defined(INF_ENGINE_RELEASE) && (INF_ENGINE_RELEASE < 2018030000 || INF_ENGINE_RELEASE == 2018050000)
+#if defined(INF_ENGINE_RELEASE) && (INF_ENGINE_RELEASE < 2018030000)
     if (backend == DNN_BACKEND_INFERENCE_ENGINE && target == DNN_TARGET_MYRIAD)
         throw SkipTestException("");
 #endif
     checkBackend();
-    if (backend == DNN_BACKEND_INFERENCE_ENGINE && target == DNN_TARGET_OPENCL_FP16)
+    if (backend == DNN_BACKEND_INFERENCE_ENGINE && target == DNN_TARGET_OPENCL_FP16 && INF_ENGINE_RELEASE != 2018050000)
         throw SkipTestException("");
 
     const string model = findDataFile("dnn/openface_nn4.small2.v1.t7", false);