Fix name

Author: brianquinlan

pkgs/cupertino_http/example/integration_test/ns_error_client_exception.dart

@@ -19,7 +19,7 @@ void main() {
     test('thrown', () async {
       expect(
           () => client.get(Uri.http('doesnotexist', '/')),
-          throwsA(isA<NSErrorClientExceptions>()
+          throwsA(isA<NSErrorClientException>()
               .having((e) => e.error.domain.toDartString(), 'error.domain',
                   'NSURLErrorDomain')
               .having((e) => e.error.code, 'error.code', -1003)

pkgs/cupertino_http/lib/cupertino_http.dart

@@ -92,6 +92,5 @@ import 'package:http/http.dart';
 import 'src/cupertino_client.dart';
 
 export 'src/cupertino_api.dart';
-export 'src/cupertino_client.dart'
-    show CupertinoClient, NSErrorClientExceptions;
+export 'src/cupertino_client.dart' show CupertinoClient, NSErrorClientException;
 export 'src/cupertino_web_socket.dart';

pkgs/cupertino_http/lib/src/cupertino_client.dart

@@ -18,10 +18,10 @@ final _digitRegex = RegExp(r'^\d+$');
 const _nsurlErrorCancelled = -999;
 
 /// A [ClientException] generated from an [NSError].
-class NSErrorClientExceptions extends ClientException {
+class NSErrorClientException extends ClientException {
   final NSError error;
 
-  NSErrorClientExceptions(this.error, [Uri? uri])
+  NSErrorClientException(this.error, [Uri? uri])
       : super(error.localizedDescription.toDartString(), uri);
 
   @override
@@ -196,7 +196,7 @@ class CupertinoClient extends BaseClient {
     if (error != null &&
         !(error.domain.toDartString() == 'NSURLErrorDomain' &&
             error.code == _nsurlErrorCancelled)) {
-      final exception = NSErrorClientExceptions(error, taskTracker.request.url);
+      final exception = NSErrorClientException(error, taskTracker.request.url);
       if (taskTracker.profile != null &&
           taskTracker.profile!.requestData.endTime == null) {
         // Error occurred during the request.