Add missing libsane-dev package to CI (#25)

Author: Jupi007

.github/workflows/ci.yml

@@ -35,5 +35,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: subosito/flutter-action@v2
+      - run: sudo apt update
+      - run: sudo apt install -y libsane-dev
+        env:
+          DEBIAN_FRONTEND: noninteractive
       - uses: bluefireteam/melos-action@v3
       - run: melos run test

packages/sane/test/sane_test.dart

@@ -1,7 +1,9 @@
+import 'package:sane/src/sane.dart';
 import 'package:test/test.dart';
 
 void main() {
-  group('Void group of tests', () {
-    test('Void test', () {});
+  test('Sane init test', () {
+    final sane = Sane();
+    expect(sane.init, returnsNormally);
   });
 }