chore: Update CI workflow to include running tests with pytest

.github/workflows/ci.yml

@@ -3,7 +3,7 @@ name: CI
 on: [push, pull_request]
 
 jobs:
-  build:
+  format-check:
     runs-on: self-hosted
 
     steps:
@@ -26,18 +26,42 @@ jobs:
         python -m pip install --upgrade pip
         if [ -f requirements-dev.txt ]; then python -m pip install -r requirements-dev.txt; fi
 
-    - name: Run format
+    - name: Run format check
       run: |
         source bitblas_ci/bin/activate
         ./format.sh
 
+  build-test:
+    runs-on: self-hosted
+    needs: format-check
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.9'
+
+    - name: Create virtual environment
+      run: python -m venv bitblas_ci
+
+    - name: Activate virtual environment and install dependencies
+      run: |
+        source bitblas_ci/bin/activate
+        python -m pip install --upgrade pip
+        if [ -f requirements-dev.txt ]; then python -m pip install -r requirements-dev.txt; fi
+
     - name: Install project in wheel mode
       run: |
         source bitblas_ci/bin/activate
         python -m pip install .
-    
+
     - name: Run tests
       run: |
         source bitblas_ci/bin/activate
         cd testing/python
-        python -m pytest
+        python -m pytest