Update tests pipeline

Author: kkamara

.github/workflows/build.yml

@@ -25,6 +25,8 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements.txt
+    - name: Create environment file
+      run: cp .env.example .env
     - name: Run Tests
       run: |
         python manage.py test