[FIX] fix bug in build-and-test.yaml

.github/workflows/build-and-test.yaml

@@ -25,6 +25,8 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -r build_tools/requirements.txt
+    - name: Install
+      run: pip install -v -e .
     - name: Run tests
       run: |
         pytest --cov-config=.coveragerc --cov-report=xml --cov=abl ./tests