BUILD: Add unit test checks to CI

.github/workflows/test.yml

@@ -0,0 +1,35 @@
+---
+name: Testing
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+
+jobs:
+  Unit:
+    runs-on: ubuntu-latest
+    steps:
+      # check-out repo
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        with:
+          ref: ${{ github.head_ref }}
+      - name: Setup Python 3.10
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+      # install requirements (including dev dependencies)
+      - name: Install requirements
+        run: |
+          python -m pip install --upgrade pip
+          make deps
+      # run linters
+      - name: Run tests
+        run: |
+          set -o pipefail
+          make test
+