fix platform web tests

+@TestOn('vm')
 import 'dart:io';
-
 import 'package:flutter_test/flutter_test.dart';
-import 'package:get/get.dart';
-import 'package:get/src/utils/platform/platform_web.dart';
+import 'package:get/src/utils/platform/platform.dart';
 
 void main() {
   test('Platform test', () {
@@ -13,12 +12,5 @@ void main() {
     expect(GetPlatform.isMacOS, Platform.isMacOS);
     expect(GetPlatform.isWindows, Platform.isWindows);
     expect(GetPlatform.isWeb, false);
-    expect(GeneralPlatform.isWeb, true);
-    expect(GeneralPlatform.isAndroid, false);
-    expect(GeneralPlatform.isIOS, false);
-    expect(GeneralPlatform.isFuchsia, false);
-    expect(GeneralPlatform.isLinux, false);
-    expect(GeneralPlatform.isMacOS, false);
-    expect(GeneralPlatform.isWindows, false);
   });
 }

+@TestOn('browser')
+import 'dart:io';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:get/src/utils/platform/platform.dart';
+
+void main() {
+  test('Platform test', () {
+    expect(GetPlatform.isAndroid, Platform.isAndroid);
+    expect(GetPlatform.isIOS, Platform.isIOS);
+    expect(GetPlatform.isFuchsia, Platform.isFuchsia);
+    expect(GetPlatform.isLinux, Platform.isLinux);
+    expect(GetPlatform.isMacOS, Platform.isMacOS);
+    expect(GetPlatform.isWindows, Platform.isWindows);
+    expect(GetPlatform.isWeb, true);
+  });
+}