diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index d110306684a..f7d225d0758 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -221,6 +221,7 @@ jobs:
           if-no-files-found: 'error'
 
   Debian_Packages:
+    name: Debian Packages
     needs: Build
     defaults:
       run:
@@ -468,6 +469,7 @@ jobs:
           if-no-files-found: 'error'
 
   ONNX_Runtime:
+    name: ONNX Runtime Integration
     needs: Build
     defaults:
       run:
@@ -595,6 +597,7 @@ jobs:
         working-directory: ${{ env.ONNX_RUNTIME_BUILD_DIR }}/RelWithDebInfo/RelWithDebInfo
 
   CXX_Unit_Tests:
+    name: C++ unit tests
     needs: Build
     defaults:
       run:
@@ -709,6 +712,18 @@ jobs:
           ${INSTALL_TEST_DIR}/ov_transformations_tests --gtest_print_time=1 \
                 --gtest_output=xml:${INSTALL_TEST_DIR}/TEST-Transformations.xml
 
+      - name: Legacy Transformations func tests
+        run: |
+          source ${INSTALL_DIR}/setupvars.sh
+          ${INSTALL_TEST_DIR}/ov_legacy_transformations_tests --gtest_print_time=1 \
+                --gtest_output=xml:${INSTALL_TEST_DIR}/TEST-LegacyTransformations.xml
+
+      - name: Inference Engine 1.0 unit tests
+        run: |
+          source ${INSTALL_DIR}/setupvars.sh
+          ${INSTALL_TEST_DIR}/InferenceEngineUnitTests --gtest_print_time=1 \
+                --gtest_output=xml:${INSTALL_TEST_DIR}/TEST-InferenceEngineUnitTests.xml
+
       - name: Common test utils tests
         run: |
           source ${INSTALL_DIR}/setupvars.sh
@@ -758,6 +773,11 @@ jobs:
           ${INSTALL_TEST_DIR}/ov_capi_test --gtest_print_time=1 \
                 --gtest_output=xml:${INSTALL_TEST_DIR}/TEST-OpenVINOCAPITests.xml
 
+      - name: AutoBatch unit tests
+        run: |
+          source ${INSTALL_DIR}/setupvars.sh
+          ${INSTALL_TEST_DIR}/ov_auto_batch_unit_tests --gtest_output=xml:${INSTALL_TEST_DIR}/TEST-ov_auto_batch_unit_tests.xml
+
       - name: AutoBatch func tests
         run: |
           source ${INSTALL_DIR}/setupvars.sh
@@ -787,6 +807,7 @@ jobs:
           if-no-files-found: 'error'
 
   Python_Unit_Tests:
+    name: Python unit tests
     needs: Build
     defaults:
       run:
@@ -864,25 +885,21 @@ jobs:
       # Tests
       #
 
-      - name: nGraph and IE Python Bindings Tests
+      - name: Python API 1.0 Tests
         run: |
           python3 -m pytest -s ${INSTALL_TEST_DIR}/pyngraph \
             --junitxml=${INSTALL_TEST_DIR}/TEST-Pyngraph.xml \
-            --ignore=${INSTALL_TEST_DIR}/pyngraph/tests/test_onnx/test_zoo_models.py \
-            --ignore=${INSTALL_TEST_DIR}/pyngraph/tests/test_onnx/test_backend.py
+            --ignore=${INSTALL_TEST_DIR}/pyngraph/tests_compatibility/test_onnx/test_zoo_models.py \
+            --ignore=${INSTALL_TEST_DIR}/pyngraph/tests_compatibility/test_onnx/test_backend.py
 
       - name: Python API 2.0 Tests
         run: |
-          # For python imports to import 'pybind_mock_frontend'
-          export PYTHONPATH=${INSTALL_TEST_DIR}:$PYTHONPATH
           # for 'template' extension
           export LD_LIBRARY_PATH=${INSTALL_TEST_DIR}:$LD_LIBRARY_PATH
 
           python3 -m pytest -sv ${INSTALL_TEST_DIR}/pyopenvino \
             --junitxml=${INSTALL_TEST_DIR}/TEST-Pyngraph.xml \
-            --ignore=${INSTALL_TEST_DIR}/pyopenvino/tests/test_utils/test_utils.py \
-            --ignore=${INSTALL_TEST_DIR}/pyopenvino/tests/test_onnx/test_zoo_models.py \
-            --ignore=${INSTALL_TEST_DIR}/pyopenvino/tests/test_onnx/test_backend.py
+            --ignore=${INSTALL_TEST_DIR}/pyopenvino/tests/test_utils/test_utils.py
 
       - name: Docs Python snippets
         run: |
@@ -894,7 +911,6 @@ jobs:
 
       - name: Model Optimizer unit tests
         run: |
-          export PYTHONPATH=${INSTALL_TEST_DIR}:$PYTHONPATH
           # required for MxNet
           apt-get install -y libgomp1 libquadmath0
 
@@ -904,8 +920,6 @@ jobs:
       - name: PyTorch Layer Tests
         run: |
           python3 -m pip install -r ${LAYER_TESTS_INSTALL_DIR}/requirements.txt
-          export PYTHONPATH=${LAYER_TESTS_INSTALL_DIR}:$PYTHONPATH
-
           python3 -m pytest ${LAYER_TESTS_INSTALL_DIR}/pytorch_tests -m precommit --junitxml=${INSTALL_TEST_DIR}/TEST-pytorch.xml
         env:
           TEST_DEVICE: CPU
@@ -914,8 +928,8 @@ jobs:
       - name: TensorFlow 1 Layer Tests - TF FE
         run: |
           python3 -m pip install -r ${LAYER_TESTS_INSTALL_DIR}/requirements.txt
-          export PYTHONPATH=${OPENVINO_REPO}/tools/mo/:${LAYER_TESTS_INSTALL_DIR}:$PYTHONPATH
-
+          # requires 'unit_tests' from 'tools/mo'
+          export PYTHONPATH=${OPENVINO_REPO}/tools/mo/:$PYTHONPATH
           python3 -m pytest ${LAYER_TESTS_INSTALL_DIR}/tensorflow_tests/ --use_new_frontend -m precommit_tf_fe --junitxml=${INSTALL_TEST_DIR}/TEST-tf_fe.xml
         env:
           TEST_DEVICE: CPU
@@ -924,8 +938,8 @@ jobs:
       - name: TensorFlow 2 Layer Tests - TF FE
         run: |
           python3 -m pip install -r ${LAYER_TESTS_INSTALL_DIR}/requirements.txt
-          export PYTHONPATH=${OPENVINO_REPO}/tools/mo/:${LAYER_TESTS_INSTALL_DIR}:$PYTHONPATH
-
+          # requires 'unit_tests' from 'tools/mo'
+          export PYTHONPATH=${OPENVINO_REPO}/tools/mo/:$PYTHONPATH
           python3 -m pytest ${LAYER_TESTS_INSTALL_DIR}/tensorflow2_keras_tests/ --use_new_frontend -m precommit_tf_fe --junitxml=${INSTALL_TEST_DIR}/TEST-tf2_fe.xml
         env:
           TEST_DEVICE: CPU
@@ -934,8 +948,6 @@ jobs:
       - name: JAX Layer Tests - TF FE
         run: |
           python3 -m pip install -r ${LAYER_TESTS_INSTALL_DIR}/requirements.txt
-          export PYTHONPATH=${LAYER_TESTS_INSTALL_DIR}:$PYTHONPATH
-
           python3 -m pytest ${LAYER_TESTS_INSTALL_DIR}/jax_tests/ -m precommit --junitxml=${INSTALL_TEST_DIR}/TEST-jax.xml
         env:
           TEST_DEVICE: CPU
@@ -943,15 +955,11 @@ jobs:
       - name: TensorFlow 1 Layer Tests - Legacy FE
         run: |
           python3 -m pip install -r ${LAYER_TESTS_INSTALL_DIR}/requirements.txt
-          export PYTHONPATH=${OPENVINO_REPO}/tools/mo/:${LAYER_TESTS_INSTALL_DIR}:$PYTHONPATH
-
           python3 -m pytest ${LAYER_TESTS_INSTALL_DIR}/tensorflow_tests/test_tf_Roll.py --ir_version=10 --junitxml=${INSTALL_TEST_DIR}/TEST-tf_Roll.xml
 
       - name: TensorFlow 2 Layer Tests - Legacy FE
         run: |
           python3 -m pip install -r ${LAYER_TESTS_INSTALL_DIR}/requirements.txt
-          export PYTHONPATH=${OPENVINO_REPO}/tools/mo/:${LAYER_TESTS_INSTALL_DIR}:$PYTHONPATH
-
           python3 -m pytest ${LAYER_TESTS_INSTALL_DIR}/tensorflow2_keras_tests/test_tf2_keras_activation.py \
               --ir_version=11 --junitxml=${INSTALL_TEST_DIR}/TEST-tf2_Activation.xml -k "sigmoid"
         env:
@@ -961,17 +969,22 @@ jobs:
       - name: TensorFlow Lite Layer Tests - TFL FE
         run: |
           python3 -m pip install -r ${LAYER_TESTS_INSTALL_DIR}/requirements.txt
-          export PYTHONPATH=${OPENVINO_REPO}/tools/mo/:${LAYER_TESTS_INSTALL_DIR}:$PYTHONPATH
-
           python3 -m pytest ${LAYER_TESTS_INSTALL_DIR}/tensorflow_lite_tests/ --junitxml=${INSTALL_TEST_DIR}/TEST-tfl_fe.xml
         env:
           TEST_DEVICE: CPU
           TEST_PRECISION: FP16
 
+      - name: Python ONNX operators tests
+        run: |
+          # Skip test_onnx/test_zoo_models and test_onnx/test_backend due to long execution time - ONNX Model Zoo tests are run separately
+          python3 -m pytest -sv ${OPENVINO_REPO}/src/frontends/onnx/tests -k 'not cuda' \
+            --junitxml=${INSTALL_TEST_DIR}/TEST-onnx_frontend.xml \
+            --ignore=${OPENVINO_REPO}/src/frontends/onnx/tests/test_python/test_zoo_models.py \
+            --ignore=${OPENVINO_REPO}/src/frontends/onnx/tests/test_python/test_backend.py
+
       - name: MO Python API Tests
         run: |
           python3 -m pip install -r ${LAYER_TESTS_INSTALL_DIR}/requirements.txt
-          export PYTHONPATH=${LAYER_TESTS_INSTALL_DIR}:$PYTHONPATH
           # TODO: remove setupvars.sh from here; currently, it's used for 'test_utils' installed in '<package>/python/openvino'
           source ${INSTALL_DIR}/setupvars.sh
           bash ${INSTALL_DIR}/install_dependencies/install_openvino_dependencies.sh -c=core -y
@@ -981,21 +994,29 @@ jobs:
           TEST_DEVICE: CPU
           TEST_PRECISION: FP16
 
+      - name: OVC Python API Tests
+        run: |
+          python3 -m pip install -r ${LAYER_TESTS_INSTALL_DIR}/requirements.txt
+          # TODO: remove setupvars.sh from here; currently, it's used for 'test_utils' installed in '<package>/python/openvino'
+          source ${INSTALL_DIR}/setupvars.sh
+          bash ${INSTALL_DIR}/install_dependencies/install_openvino_dependencies.sh -c=core -y
+
+          python3 -m pytest ${LAYER_TESTS_INSTALL_DIR}/ovc_python_api_tests --junitxml=${INSTALL_TEST_DIR}/TEST-test_ovc_convert.xml
+        env:
+          TEST_DEVICE: CPU
+          TEST_PRECISION: FP16
+
       - name: Python Frontend tests
         run: |
           python3 -m pip install -r ${LAYER_TESTS_INSTALL_DIR}/requirements.txt
-          export PYTHONPATH=${OPENVINO_REPO}/tools/mo/:${LAYER_TESTS_INSTALL_DIR}:$PYTHONPATH
           # to allow 'libtest_builtin_extensions.so' to find 'libopenvino_onnx_frontend.so'
           source ${INSTALL_DIR}/setupvars.sh
 
           python3 -m pytest ${LAYER_TESTS_INSTALL_DIR}/py_frontend_tests --junitxml=${INSTALL_TEST_DIR}/TEST-test_py_fontend.xml
 
+      # TODO: install to 'tests' component via cpack
       - name: OVC unit tests
-        run: |
-          # For python imports to import 'pybind_mock_frontend'
-          export PYTHONPATH=${INSTALL_TEST_DIR}:$PYTHONPATH
-
-          python3 -m pytest -s ${OPENVINO_REPO}/tools/ovc/unit_tests --junitxml=${INSTALL_TEST_DIR}/TEST-OpenVinoConversion.xml
+        run: python3 -m pytest -s ${OPENVINO_REPO}/tools/ovc/unit_tests --junitxml=${INSTALL_TEST_DIR}/TEST-OpenVinoConversion.xml
 
       - name: Upload Test Results
         uses: actions/upload-artifact@v3
@@ -1008,6 +1029,7 @@ jobs:
           if-no-files-found: 'error'
 
   CPU_Functional_Tests:
+    name: CPU functional tests
     needs: Build
     defaults:
       run:
@@ -1093,6 +1115,7 @@ jobs:
           if-no-files-found: 'error'
 
   TensorFlow_Hub_Models_Tests:
+    name: TensorFlow Hub Models tests
     needs: Build
     defaults:
       run:
@@ -1172,6 +1195,7 @@ jobs:
           if-no-files-found: 'error'
 
   PyTorch_Models_Tests:
+    name: PyTorch Models tests
     needs: Build
     defaults:
       run:
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index e8b539c7a1d..2dd4b218a1e 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -332,17 +332,17 @@ jobs:
         run: |
           python3 -m pip install openvino-dev --force-reinstall --find-links=${{ env.INSTALL_DIR }}\tools
 
-      - name: nGraph and IE Python Bindings Tests
+      - name: Python API 1.0 Tests
         shell: cmd
         run: |
           set PYTHONPATH=${{ env.OPENVINO_REPO }}\tools\mo;${{ env.LAYER_TESTS_INSTALL_DIR }};%PYTHONPATH%
-          call "${{ env.INSTALL_DIR }}\\setupvars.bat" && python3 -m pytest -s ${{ env.INSTALL_TEST_DIR }}/pyngraph ${{ env.PYTHON_STATIC_ARGS }} --junitxml=${{ env.INSTALL_TEST_DIR }}/TEST-Pyngraph.xml --ignore=${{ env.INSTALL_TEST_DIR }}/pyngraph/tests/test_onnx/test_zoo_models.py --ignore=${{ env.INSTALL_TEST_DIR }}/pyngraph/tests/test_onnx/test_backend.py
+          call "${{ env.INSTALL_DIR }}\\setupvars.bat" && python3 -m pytest -s ${{ env.INSTALL_TEST_DIR }}/pyngraph ${{ env.PYTHON_STATIC_ARGS }} --junitxml=${{ env.INSTALL_TEST_DIR }}/TEST-Pyngraph.xml --ignore=${{ env.INSTALL_TEST_DIR }}/pyngraph/tests_compatibility/test_onnx/test_zoo_models.py --ignore=${{ env.INSTALL_TEST_DIR }}/pyngraph/tests_compatibility/test_onnx/test_backend.py
 
       - name: Python API 2.0 Tests
         shell: cmd
         run: |
           set PYTHONPATH=${{ env.OPENVINO_REPO }}\tools\mo;${{ env.LAYER_TESTS_INSTALL_DIR }};%PYTHONPATH%
-          call "${{ env.INSTALL_DIR }}\\setupvars.bat" && python3 -m pytest -sv ${{ env.INSTALL_TEST_DIR }}/pyopenvino ${{ env.PYTHON_STATIC_ARGS }} --junitxml=${{ env.INSTALL_TEST_DIR }}/TEST-Pyngraph.xml --ignore=${{ env.INSTALL_TEST_DIR }}/pyopenvino/tests/test_utils/test_utils.py --ignore=${{ env.INSTALL_TEST_DIR }}/pyopenvino/tests/test_onnx/test_zoo_models.py --ignore=${{ env.INSTALL_TEST_DIR }}/pyopenvino/tests/test_onnx/test_backend.py
+          call "${{ env.INSTALL_DIR }}\\setupvars.bat" && python3 -m pytest -sv ${{ env.INSTALL_TEST_DIR }}/pyopenvino ${{ env.PYTHON_STATIC_ARGS }} --junitxml=${{ env.INSTALL_TEST_DIR }}/TEST-Pyngraph.xml --ignore=${{ env.INSTALL_TEST_DIR }}/pyopenvino/tests/test_utils/test_utils.py
 
       - name: Model Optimizer UT
         shell: cmd
diff --git a/install_build_dependencies.sh b/install_build_dependencies.sh
index 680e2027a49..9b49c9eb8e2 100755
--- a/install_build_dependencies.sh
+++ b/install_build_dependencies.sh
@@ -26,6 +26,8 @@ if [ -f /etc/lsb-release ] || [ -f /etc/debian_version ] ; then
 
     apt update
     apt-get install -y --no-install-recommends \
+        `# for python3-pip` \
+        ca-certificates \
         file \
         `# build tools` \
         build-essential \