Adding github actions workflow for testing

Author: chr1st1ank

.github/workflows/code_quality.yml

@@ -0,0 +1,59 @@
+
+name: Code Quality
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  testing:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.9
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.9
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r test-requirements.txt
+        pip install flake8 pytest
+    - name: Flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Pytest
+      run: |
+        pytest
+
+  compatibilityCheck:
+    name: Compatibility Check
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      max-parallel: 4
+      matrix:
+        python-version: [3.5, 3.6, 3.7, 3.8]
+
+    steps:
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: "Git checkout"
+        uses: actions/checkout@v2
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r test-requirements.txt
+          pip install pytest
+      - name: Run tests
+        run:  |
+          pytest