tests(ds): adds tutorial notebooks to tests pipeline

.github/workflows/tests.yml

@@ -1,7 +1,7 @@
 # This workflow will install Python dependencies, run tests and lint with a variety of Python versions
 # For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
 
-name: Runs linter and tests
+name: Run Tests
 on:
   push:
     branches:
@@ -28,12 +28,15 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install flake8 pytest
+        python -m pip install flake8 pytest nbval
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
         python -m pip install .
     - name: Runs tests
       run: |
         pytest tests
+    - name: Runs tests for notebook examples
+      run: |
+        pytest --nbval-lax docs/basic_guide/discrete_search
     - name: Catches Python syntax errors and undefined names
       run: |
         # stop the build if there are Python syntax errors or undefined names