Fix digest authentication to use the correct URI

tests/standalone/io/http_auth_digest_test.dart

Index: tests/standalone/io/http_auth_digest_test.dart
diff --git a/tests/standalone/io/http_auth_digest_test.dart b/tests/standalone/io/http_auth_digest_test.dart
index 720ed148e5c2646b84f58a9d9711401397409e58..74e9d93835770a425a7662e8bb95f716dd4d00de 100644
--- a/tests/standalone/io/http_auth_digest_test.dart
+++ b/tests/standalone/io/http_auth_digest_test.dart
@@ -83,7 +83,7 @@ class Server {
             Expect.equals(realm, header.parameters["realm"]);
             Expect.equals("MD5", header.parameters["algorithm"]);
             Expect.equals(nonce, header.parameters["nonce"]);
-            Expect.equals(request.uri.path, uri);
+            Expect.equals(request.uri.toString(), uri);
             if (qop != null) {
               // A server qop of auth-int is downgraded to none by the client.
               Expect.equals("auth", serverQop);
@@ -201,10 +201,17 @@ void testCredentials(String algorithm, String qop) {
         new HttpClientDigestCredentials("dart", "password"));
 
     var futures = [];
-    for (int i = 0; i < 5; i++) {
+    for (int i = 0; i < 2; i++) {
+      String uriBase = "http://127.0.0.1:${server.port}/digest";
       futures.add(
           makeRequest(
-              Uri.parse("http://127.0.0.1:${server.port}/digest")));
+              Uri.parse(uriBase)));
+      futures.add(
+          makeRequest(
+              Uri.parse("$uriBase?querystring")));
+      futures.add(
+          makeRequest(
+              Uri.parse("$uriBase?querystring#fragment")));
     }
     Future.wait(futures).then((_) {
       server.shutdown();