rename iOS call

packages/e2e/ios/Classes/E2EPlugin.m

@@ -5,7 +5,7 @@ + (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
   FlutterMethodChannel* channel =
       [FlutterMethodChannel methodChannelWithName:@"plugins.flutter.dev/e2e"
                                   binaryMessenger:[registrar messenger]];
-  InstrumentationAdapterPlugin* instance = [[InstrumentationAdapterPlugin alloc] init];
+  E2EPlugin* instance = [[E2EPlugin alloc] init];
   [registrar addMethodCallDelegate:instance channel:channel];
 }