UssdRemoteDatasource test

lib/app/app_environment.dart

@@ -16,8 +16,8 @@ class AppEnvironmentProd extends AppEnvironment {
   AppEnvironmentProd()
       : super(
           ussdCodesHashRemote:
-              'https://todo-devs.github.io/todo-json/config.json',
-          ussdCodesRemote: 'https://todo-devs.github.io/todo-json/hash.json',
+              'https://todo-devs.github.io/todo-json/hash.json',
+          ussdCodesRemote: 'https://todo-devs.github.io/todo-json/config.json',
         );
 }
 
@@ -27,7 +27,7 @@ class AppEnvironmentDev extends AppEnvironment {
   AppEnvironmentDev()
       : super(
           ussdCodesHashRemote:
-              'https://todo-devs.github.io/todo-json/config.json',
-          ussdCodesRemote: 'https://todo-devs.github.io/todo-json/hash.json',
+              'https://todo-devs.github.io/todo-json/hash.json',
+          ussdCodesRemote: 'https://todo-devs.github.io/todo-json/config.json',
         );
 }

test/datasources/ussd_remote_datasource_test.dart

@@ -0,0 +1,34 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:todo/app/app.dart';
+
+void main() {
+  late UssdRemoteDatasource datasource;
+  late HttpClient http;
+  late AppEnvironment environment;
+
+  setUp(() {
+    environment = AppEnvironmentProd();
+    http = HttpClient();
+    datasource = UssdRemoteDatasource(
+      environment,
+      http,
+    );
+  });
+
+  test('Get HASH', () async {
+    final result = await datasource.getHash();
+
+    debugPrint(result.toString());
+
+    expect(result.isNotEmpty, true);
+  });
+
+  test('Get Codes', () async {
+    final result = await datasource.getUssdCodes();
+
+    debugPrint(result.toString());
+
+    expect(result.isNotEmpty, true);
+  });
+}