diff --git a/test/WIP/YavscWorkInProgress.cs b/test/WIP/YavscWorkInProgress.cs
index 52a4dd43..cebe6265 100644
--- a/test/WIP/YavscWorkInProgress.cs
+++ b/test/WIP/YavscWorkInProgress.cs
@@ -4,6 +4,7 @@
 // */
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Net;
 using System.Threading.Tasks;
 using Xunit;
@@ -18,57 +19,83 @@ namespace test
     public class YavscWorkInProgress : BaseTestContext, IClassFixture<ServerSideFixture>
     {
         public YavscWorkInProgress(ServerSideFixture serverFixture, ITestOutputHelper output)
-        : base (output, serverFixture)
+        : base(output, serverFixture)
         {
         }
 
         [Theory]
-        [InlineData("d9be5e97-c19d-42e4-b444-0e65863b19e1","blouh","profile",
-         "http://localhost:5000/authorize",
-         "http://localhost:5000/oauth/success",
-         "http://localhost:5000/token",
-         "joe",
-         "badpass"
-        )]
+        [MemberData(nameof(GetLoginIntentData), parameters: 1)]
         public async Task TestUserMayLogin
             (
             string clientId,
-            string clientSecret,
-            string scope,
-            string authorizeUrl,
-            string redirectUrl,
-            string accessTokenUrl,
-            string login, 
-            string pass
+             string clientSecret,
+             string scope,
+             string authorizeUrl,
+             string redirectUrl,
+             string accessTokenUrl,
+             string login,
+             string pass
             )
         {
-           try {
-           var oauthor =new OAuthenticator( clientId,  clientSecret,  scope, 
-           new Uri( authorizeUrl) , new Uri(redirectUrl) , new Uri(accessTokenUrl));
-           var query = new Dictionary<string,string>();
-           query[Parameters.Username]=login;
-           query[Parameters.Password]=pass;
-           query[Parameters.GrantType]=GrantTypes.Password;
-           var result = await oauthor.RequestAccessTokenAsync(query);
-           Console.WriteLine(">> Got an output");
-           Console.WriteLine(Parameters.AccessToken+": "+result[Parameters.AccessToken]);
-           Console.WriteLine(Parameters.TokenType+": "+result[Parameters.TokenType]);
-           Console.WriteLine(Parameters.ExpiresIn+": "+result[Parameters.ExpiresIn]);
-           Console.WriteLine(Parameters.RefreshToken+": "+result[Parameters.RefreshToken]);
+            try
+            {
+                var oauthor = new OAuthenticator(clientId, clientSecret, scope,
+                new Uri(authorizeUrl), new Uri(redirectUrl), new Uri(accessTokenUrl));
+                var query = new Dictionary<string, string>();
+                query[Parameters.Username] = login;
+                query[Parameters.Password] = pass;
+                query[Parameters.GrantType] = GrantTypes.Password;
+                var result = await oauthor.RequestAccessTokenAsync(query);
+                Console.WriteLine(">> Got an output");
+                Console.WriteLine(Parameters.AccessToken + ": " + result[Parameters.AccessToken]);
+                Console.WriteLine(Parameters.TokenType + ": " + result[Parameters.TokenType]);
+                Console.WriteLine(Parameters.ExpiresIn + ": " + result[Parameters.ExpiresIn]);
+                Console.WriteLine(Parameters.RefreshToken + ": " + result[Parameters.RefreshToken]);
 
-           }
-           catch (Exception ex)
-           {
-               var webex = ex as WebException;
-               if (webex!=null && webex.Status == (WebExceptionStatus)400)
-               {
-                   if (login == "joe") {
+            }
+            catch (Exception ex)
+            {
+                var webex = ex as WebException;
+                if (webex != null && webex.Status == (WebExceptionStatus)400)
+                {
+                    if (login == "joe")
+                    {
                         Console.WriteLine("Bad pass joe!");
                         return;
-                   }
-               }
-               throw;
-           }
+                    }
+                }
+                throw;
+            }
         }
+        public struct LoginIntentData
+        {
+            public string clientId;
+            public string clientSecret;
+            public string scope;
+            public string authorizeUrl;
+            public string redirectUrl;
+            public string accessTokenUrl;
+            public string login;
+            public string pass;
+        }
+        public static IEnumerable<object[]> GetLoginIntentData(int numTests)
+        {
+
+            var allData = new List<object[]>
+            {
+                new object[] {"d9be5e97-c19d-42e4-b444-0e65863b19e1", "blouh", "profile",
+                "http://localhost:5000/authorize", "http://localhost:5000/oauth/success",
+                    "http://localhost:5000/token","joe", "badpass"
+                },
+                new object[] { -4, -6, -10 },
+                new object[] { -2, 2, 0 },
+                new object[] { int.MinValue, -1, int.MaxValue },
+            };
+
+            return allData.Take(numTests);
+
+        }
+
+
     }
 }