Added test_cases yml file

.github/workflows/unittest.yml

@@ -0,0 +1,26 @@
+name: Unittest
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.8", "3.9", "3.10"]
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install pylint
+        pip install pandas
+        pip install -U Flask
+        pip install -U flask-cors
+    - name: Running test cases for searching
+      run: python3 -u -m ../../test/tests.py
+