Added test workflow

.github/workflows/tests.yml

@@ -0,0 +1,57 @@
+name: Tests
+
+on:
+  push:
+    branches:
+      - Development
+
+jobs:
+  p3.7:
+    name: Python 3.7
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.7
+      - run: pip install -r requirements.txt
+      - run: python3 -m unittest discover -s ./tests -p '*.py'
+
+  p3.8:
+    name: Python 3.8
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - run: pip install -r requirements.txt
+      - run: python3 -m unittest discover -s ./tests -p '*.py'
+
+  p3.9:
+    name: Python 3.9
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+      - run: pip install -r requirements.txt
+      - run: python3 -m unittest discover -s ./tests -p '*.py'
+
+  p3.10:
+    name: Python 3.10
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.10
+      - run: pip install -r requirements.txt
+      - run: python3 -m unittest discover -s ./tests -p '*.py'
+
+  p3.11:
+    name: Python 3.11
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.11
+      - run: pip install -r requirements.txt
+      - run: python3 -m unittest discover -s ./tests -p '*.py'