rename pytest directories and move test util to correct dir

Author: irenab

.github/workflows/run_keras_tests.yml

@@ -32,5 +32,5 @@ jobs:
 
       - name: Run pytest
         run: |
-          pytest tests_pytest/keras
+          pytest tests_pytest/keras_tests
 

.github/workflows/run_pytorch_tests.yml

@@ -31,5 +31,5 @@ jobs:
           python -m unittest discover tests/pytorch_tests -v
       - name: Run pytest
         run: |
-          pytest tests_pytest/pytorch
+          pytest tests_pytest/pytorch_tests
 

…sts_pytest/base_test_classes/__init__.py tests_pytest/common_tests/__init__.pytests_pytest/base_test_classes/__init__.py renamed to tests_pytest/common_tests/__init__.py tests_pytest/base_test_classes/__init__.py renamed to tests_pytest/common_tests/__init__.py

@@ -31,7 +31,7 @@
     RUTarget
 from model_compression_toolkit.core.common.mixed_precision.resource_utilization_tools.resource_utilization_calculator import \
     Utilization, ResourceUtilizationCalculator, TargetInclusionCriterion, BitwidthMode
-from tests_pytest.common.graph_builder_utils import build_node, full_attr_name, build_qc
+from tests_pytest.test_util.graph_builder_utils import build_node, full_attr_name, build_qc
 
 
 @pytest.fixture