diff --git a/ngraph/test/backend/fused_op.in.cpp b/ngraph/test/backend/fused_op.in.cpp
index b922cbe1ea1e10..ca8bf988925546 100644
--- a/ngraph/test/backend/fused_op.in.cpp
+++ b/ngraph/test/backend/fused_op.in.cpp
@@ -243,7 +243,7 @@ NGRAPH_TEST(${BACKEND_NAME}, depth_to_space_depth_first)
                             7.f,  23.f, 12.f, 28.f, 14.f, 30.f, 13.f, 29.f, 15.f, 31.f});
     test_case.run();
 }
-// TODO: enable normalizeL2 tests after normalizeL2 reference implementation
+// TODO: Issue: 37521
 NGRAPH_TEST(${BACKEND_NAME}, DISABLED_normalize_across_chw_4d)
 {
     Shape data_shape{1, 2, 3, 4};
diff --git a/ngraph/test/onnx/onnx_import.in.cpp b/ngraph/test/onnx/onnx_import.in.cpp
index 945a0d815f9945..023f499f0c7210 100644
--- a/ngraph/test/onnx/onnx_import.in.cpp
+++ b/ngraph/test/onnx/onnx_import.in.cpp
@@ -2528,7 +2528,8 @@ NGRAPH_TEST(${BACKEND_NAME}, onnx_prior_box)
     test_case.run();
 }
 
-NGRAPH_TEST(${BACKEND_NAME}, onnx_normalize)
+// TODO: Issue: 37521
+NGRAPH_TEST(${BACKEND_NAME}, DISABLED_onnx_normalize)
 {
     const auto function = onnx_import::import_onnx_model(
         file_util::path_join(SERIALIZED_ZOO, "onnx/normalize.prototxt"));
diff --git a/ngraph/test/runtime/interpreter/evaluates_map.cpp b/ngraph/test/runtime/interpreter/evaluates_map.cpp
index bafaf23cce2036..3757a6928c0967 100644
--- a/ngraph/test/runtime/interpreter/evaluates_map.cpp
+++ b/ngraph/test/runtime/interpreter/evaluates_map.cpp
@@ -31,6 +31,8 @@
 #include <ngraph/runtime/reference/reverse_sequence.hpp>
 #include <ngraph/runtime/reference/rnn_cell.hpp>
 #include <ngraph/runtime/reference/select.hpp>
+#include <ngraph/runtime/reference/prior_box.hpp>
+#include <interpreter/reference/mod.hpp>
 #include "ngraph/ops.hpp"
 #include "ngraph/runtime/reference/avg_pool.hpp"
 #include "ngraph/runtime/reference/batch_norm.hpp"
@@ -434,6 +436,38 @@ namespace {
         return true;
     }
 
+    template <element::Type_t ET>
+    bool evaluate(const shared_ptr<op::v0::PriorBox>& op,
+                  const HostTensorVector& outputs,
+                  const HostTensorVector& input)
+    {
+        using T = typename element_type_traits<ET>::value_type;
+        std::cout << "djdkldld" << std::endl;
+            std:: cout << input[0]->get_data_ptr<T>()[0] << " " << input[0]->get_data_ptr<T>()[1] << std::endl;
+            auto cons = dynamic_pointer_cast<op::v0::Constant>(op->input_value(0).get_node_shared_ptr());
+            auto vec = cons->get_vector<int64_t>();
+        runtime::reference::prior_box<T>(input[0]->get_data_ptr<T>(),
+                                         input[1]->get_data_ptr<T>(),
+                                         outputs[0]->get_data_ptr<float>(),
+                                         outputs[0]->get_shape(),
+                                          op->get_attrs());
+        return true;
+    }
+
+    template <element::Type_t ET>
+    bool evaluate(const shared_ptr<op::v1::Mod>& op,
+                  const HostTensorVector& outputs,
+                  const HostTensorVector& input)
+    {
+        using T = typename element_type_traits<ET>::value_type;
+        runtime::reference::mod<T>(input[0]->get_data_ptr<T>(),
+                                   input[1]->get_data_ptr<T>(),
+                                   outputs[0]->get_data_ptr<T>(),
+                                   input[0]->get_shape(),
+                                   op->get_auto_broadcast());
+        return true;
+    }
+
     template<element::Type_t ET>
     bool evaluate(const shared_ptr<op::v0::Selu> &op,
                   const HostTensorVector &outputs,
diff --git a/ngraph/test/runtime/interpreter/opset_int_tbl.hpp b/ngraph/test/runtime/interpreter/opset_int_tbl.hpp
index 9c2732d91e2390..885ca53298bc61 100644
--- a/ngraph/test/runtime/interpreter/opset_int_tbl.hpp
+++ b/ngraph/test/runtime/interpreter/opset_int_tbl.hpp
@@ -29,6 +29,7 @@ NGRAPH_OP(Gelu, op::v0)
 NGRAPH_OP(HardSigmoid, op::v0)
 NGRAPH_OP(LRN, ngraph::op::v0)
 NGRAPH_OP(MVN, ngraph::op::v0)
+NGRAPH_OP(PriorBox, ngraph::op::v0)
 NGRAPH_OP(ReverseSequence, op::v0)
 NGRAPH_OP(RNNCell, op::v0)
 NGRAPH_OP(Selu, op::v0)
@@ -44,6 +45,7 @@ NGRAPH_OP(LogicalOr, op::v1)
 NGRAPH_OP(LogicalXor, op::v1)
 NGRAPH_OP(LogicalNot, op::v1)
 NGRAPH_OP(MaxPool, op::v1)
+NGRAPH_OP(Mod, op::v1)
 NGRAPH_OP(OneHot, op::v1)
 NGRAPH_OP(Pad, op::v1)
 NGRAPH_OP(Select, op::v1)
diff --git a/ngraph/test/runtime/interpreter/reference/mod.hpp b/ngraph/test/runtime/interpreter/reference/mod.hpp
new file mode 100644
index 00000000000000..72289c50179240
--- /dev/null
+++ b/ngraph/test/runtime/interpreter/reference/mod.hpp
@@ -0,0 +1,42 @@
+//*****************************************************************************
+// Copyright 2020 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//*****************************************************************************
+
+#pragma once
+
+#include <cmath>
+#include <cstddef>
+
+namespace ngraph
+{
+    namespace runtime
+    {
+        namespace reference
+        {
+            template <typename T>
+            void mod(const T* arg0,
+                     const T* arg1,
+                     T* out,
+                     const Shape& arg_shape,
+                     const op::AutoBroadcastSpec& broadcast_spec)
+            {
+                autobroadcast_binop(
+                        arg0, arg1, out, arg_shape, arg_shape, broadcast_spec, [](T x, T y) -> T {
+                            return T(x - std::trunc(x / y) * y);
+                        });
+            }
+        }
+    }
+}