test: add weather logic test suite

.gitea/workflows/ci.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   quality:
-    name: Lint, typecheck and build
+    name: Lint, test, typecheck and build
     runs-on: ubuntu-latest
 
     steps:
@@ -34,5 +34,8 @@ jobs:
       - name: Typecheck
         run: npm run typecheck
 
+      - name: Test
+        run: npm run test
+
       - name: Build
         run: npm run build