Fixing query parsing

Author: alexeyzimarev

test/RestSharp.IntegrationTests/OAuth1Tests.cs

@@ -42,7 +42,6 @@ public void Can_Authenticate_Netflix_With_OAuth() {
 
         Assert.NotNull(response);
         Assert.Equal(HttpStatusCode.OK, response.StatusCode);
-
 
         var qs               = new Uri(response.Content).ParseQuery();
         var oauthToken       = qs["oauth_token"];
@@ -197,9 +196,10 @@ public void Can_Authenticate_OAuth1_With_Querystring_Parameters() {
         authenticator.Authenticate(client, request);
 
         var requestUri = client.BuildUri(request);
-        var actual     = new Uri(requestUri.Query).ParseQuery().Select(x => x.Key).ToList();
+        var actual     = requestUri.ParseQuery().Select(x => x.Key).ToList();
 
-        Assert.True(actual.SequenceEqual(expected));
+        actual.Should().BeEquivalentTo(expected);
+        // Assert.True(actual.SequenceEqual(expected));
     }
 
     [Fact(Skip = "Provide your own consumer key/secret before running")]

test/RestSharp.Tests.Shared/Extensions/UriExtensions.cs

@@ -2,7 +2,7 @@ namespace RestSharp.Tests.Shared.Extensions;
 
 public static class UriExtensions {
     public static IDictionary<string, string> ParseQuery(this Uri uri) {
-        var query = uri.Query.Split('&');
+        var query = uri.Query.Substring(1).Split('&');
         return query.Select(x => x.Split('=')).ToDictionary(x => x[0], x => x[1]);
     }
 }