Run tests without the nif loaded on CI

.github/workflows/ci.yaml

@@ -53,6 +53,22 @@ jobs:
       - name: Run tests
         run: LANGUAGE=elixir test/integration/diagnose/bin/test
 
+  test_no_nif:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Set up Erlang and Elixir
+        uses: erlef/setup-beam@v1
+        with:
+          otp-version: master
+          elixir-version: main
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Get dependencies
+        run: mix deps.get
+      - name: Run tests
+        run: MIX_ENV=test_no_nif mix test
+
   test:
     runs-on: ubuntu-latest
     strategy: