Add global pool by axis test

modules/dnn/src/layers/slice_layer.cpp

@@ -114,10 +114,9 @@ public:
     virtual bool supportBackend(int backendId) CV_OVERRIDE
     {
         return backendId == DNN_BACKEND_OPENCV ||
-               ((backendId == DNN_BACKEND_INFERENCE_ENGINE_NN_BUILDER_2019 || backendId == DNN_BACKEND_INFERENCE_ENGINE_NGRAPH) &&
-#ifdef HAVE_INF_ENGINE
-                INF_ENGINE_VER_MAJOR_GE(INF_ENGINE_RELEASE_2019R1) &&
-#endif
+               (backendId == DNN_BACKEND_INFERENCE_ENGINE_NGRAPH && sliceRanges.size() == 1) ||
+               (backendId == DNN_BACKEND_INFERENCE_ENGINE_NN_BUILDER_2019 &&
+
                 sliceRanges.size() == 1 && sliceRanges[0].size() == 4);
     }
 

modules/dnn/test/test_tf_importer.cpp

@@ -121,6 +121,13 @@ public:
     }
 };
 
+TEST_P(Test_TensorFlow_layers, reduce_mean)
+{
+    if (backend == DNN_BACKEND_INFERENCE_ENGINE_NN_BUILDER_2019)
+        applyTestTag(CV_TEST_TAG_DNN_SKIP_IE_NN_BUILDER);
+    runTensorFlowNet("global_pool_by_axis");
+}
+
 TEST_P(Test_TensorFlow_layers, conv)
 {
     runTensorFlowNet("single_conv");