Fixed Parse logout and unpin

Author: phillwiggins

lib/src/objects/parse_base.dart

@@ -147,10 +147,10 @@ abstract class ParseBase {
   /// Saves item to simple key pair value storage
   ///
   /// Replicates Android SDK pin process and saves object to storage
-  Future<bool> unpin() async {
+  Future<bool> unpin({String key}) async {
     if (objectId != null) {
       await SharedPreferences.getInstance()
-        ..remove(objectId);
+        ..remove(key ?? objectId);
       return true;
     }
 

lib/src/objects/parse_user.dart

@@ -198,7 +198,7 @@ class ParseUser extends ParseObject implements ParseCloneable {
   /// Removes the current user from the session data
   logout() {
     _client.data.sessionId = null;
-    unpin();
+    unpin(key: keyParseStoreUser);
     setObjectData(null);
   }
 

test/parse_client_configuration_test.dart

@@ -1,10 +1,9 @@
-import 'package:test/test.dart';
 import 'package:parse_server_sdk/parse.dart';
+import 'package:test/test.dart';
 
-void main(){
-  test("testBuilder",() {
-    Parse().initialize("appId",
-        "serverUrl",
+void main() {
+  test("testBuilder", () {
+    Parse().initialize("appId", "serverUrl",
         clientKey: "clientKey",
         liveQueryUrl: "liveQueryUrl",
         appName: "appName",
@@ -20,6 +19,5 @@ void main(){
     expect(ParseCoreData().masterKey, "masterKey");
     expect(ParseCoreData().sessionId, "sessionId");
     expect(ParseCoreData().debug, true);
-
   });
-}
+}