feat(ci): run tests in ci

.github/workflows/build.yaml

@@ -13,9 +13,33 @@ env:
   IMAGE_NAME: ${{ github.repository }}
 
 jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+
+    services:
+      dev_db:
+        image: postgres:16
+        env:
+          POSTGRES_USER: sgs
+          POSTGRES_PASSWORD: sgs-pass
+        ports:
+          - 5432:5432
+        volumes:
+          - dev_data:/var/lib/postgresql/data
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: DeterminateSystems/nix-installer-action@v11
+      - uses: DeterminateSystems/magic-nix-cache-action@v6
+
+      - name: Run tests
+        run: nix develop -c make check
+
   build:
     name: Build
     runs-on: ubuntu-latest
+    needs: test
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@v11