Update ci-build.yml

.github/workflows/ci-build.yml

@@ -14,10 +14,13 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install flake8 black
+        pip install flake8 black pytest requests
     - name: Analysing the code with flake8
       run: |
         flake8 --max-line-length 120 --count --statistics .
     - name: Check code format with black
       run: |
         black --check --diff --color .
+    - name: Run tests
+      run: |
+        pytest