Add CI workflow to run tests

Author: sebastianpaz

.github/workflows/run_test.yaml

@@ -0,0 +1,17 @@
+name: Run tests
+
+on: [push]
+
+jobs:
+  run-tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: subosito/flutter-action@v2.8.0
+        with:
+          flutter-version: '3.3.10'
+          channel: 'stable'
+          cache-key: 'flutter-:os:-:channel:-:version:-:arch:-:hash:' 
+          cache-path: ${{ runner.tool_cache }}/flutter/:channel:-:version:/
+      - run: flutter --version
+      - run: flutter test