unit tests

Author: hallvictoria

.github/workflows/ci_ut_workflow.yml

@@ -59,6 +59,9 @@ jobs:
         python -m pip install --upgrade pip
         python -m pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple -U azure-functions --pre
         python -m pip install -U -e .[dev]
+        if [[ "${{ matrix.python-version }}" != "3.7" && "${{ matrix.python-version }}" != "3.8" ]]; then
+              python -m pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple --pre -U -e .[test-deferred-bindings]
+        fi
 
         # Retry a couple times to avoid certificate issue
         retry 5 python setup.py build