fix: fix flutter unit test.

Author: andycall

kraken/lib/src/foundation/http_cache.dart

@@ -25,7 +25,7 @@ enum HttpCacheMode {
 
 class HttpCacheController {
   // TODO: Add HTTP Cache for Windows and Linux
-  static HttpCacheMode mode = Platform.isLinux || Platform.isWindows ? HttpCacheMode.NO_CACHE : HttpCacheMode.DEFAULT;
+  static HttpCacheMode mode = Platform.isWindows ? HttpCacheMode.NO_CACHE : HttpCacheMode.DEFAULT;
 
   static final Map<String, HttpCacheController> _controllers = HashMap();
 

kraken/test/src/gesture/scroll_physics.dart

@@ -10,8 +10,8 @@ void main() {
     test('createScrollPhysics', () {
       ScrollPhysics scrollPhysics = ScrollPhysics.createScrollPhysics();
       // In test env, that should be macos env.
-      expect(Platform.operatingSystem, 'macos');
-      expect(scrollPhysics.runtimeType.toString(), 'BouncingScrollPhysics');
+      expect(Platform.operatingSystem, 'linux');
+      expect(scrollPhysics.runtimeType.toString(), 'ClampingScrollPhysics');
     });
 
     test('ScrollPhysics Factory', () {