added tests for the project

.github/workflows/test-commit.yml

@@ -0,0 +1,26 @@
+name: Run Tests
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: 3.10
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install networkx pytest
+    - name: Run tests
+      run: |
+        pytest tests/