diff --git a/backend/Testing/Services/JwtHelper.cs b/backend/Testing/Services/JwtHelper.cs
new file mode 100644
index 0000000000..273cd96777
--- /dev/null
+++ b/backend/Testing/Services/JwtHelper.cs
@@ -0,0 +1,28 @@
+using System.Net.Http.Json;
+using LexBoxApi.Auth;
+using Shouldly;
+
+namespace Testing.Services;
+
+public class JwtHelper
+{
+
+    public static async Task<string> GetJwtForUser(SendReceiveAuth auth)
+    {
+        var handler = new HttpClientHandler();
+        var client = new HttpClient(handler);
+        var response = await client.PostAsJsonAsync(
+            $"{TestingEnvironmentVariables.StandardHgBaseUrl}/api/login",
+            new Dictionary<string, object>
+            {
+                { "password",  auth.Password }, { "emailOrUsername", auth.Username }, { "preHashedPassword", false }
+            });
+        response.EnsureSuccessStatusCode();
+        var cookieContainer = handler.CookieContainer;
+        var authCookie = cookieContainer.GetAllCookies().FirstOrDefault(c => c.Name == AuthKernel.AuthCookieName);
+        authCookie.ShouldNotBeNull();
+        var jwt = authCookie.Value;
+        jwt.ShouldNotBeNullOrEmpty();
+        return jwt;
+    }
+}
diff --git a/backend/Testing/SyncReverseProxy/ProxyHgRequestTests.cs b/backend/Testing/SyncReverseProxy/ProxyHgRequestTests.cs
index dcc0c360e1..92342b5cac 100644
--- a/backend/Testing/SyncReverseProxy/ProxyHgRequestTests.cs
+++ b/backend/Testing/SyncReverseProxy/ProxyHgRequestTests.cs
@@ -57,19 +57,7 @@ public async Task TestGetPrefixHg()
     [Fact]
     public async Task TestGetWithJwtInBasicAuth()
     {
-        var response = await Client.PostAsJsonAsync(
-            $"{_baseUrl}/api/login",
-            new Dictionary<string, object>
-            {
-                { "password",  TestData.Password }, { "emailOrUsername", TestData.User }, { "preHashedPassword", false }
-            });
-        response.EnsureSuccessStatusCode();
-        var cookies = response.Headers.GetValues("Set-Cookie");
-        var cookieContainer = new CookieContainer();
-        cookieContainer.SetCookies(response.RequestMessage!.RequestUri!, cookies.Single());
-        var authCookie = cookieContainer.GetAllCookies().FirstOrDefault(c => c.Name == AuthKernel.AuthCookieName);
-        authCookie.ShouldNotBeNull();
-        var jwt = authCookie.Value;
+        var jwt = await JwtHelper.GetJwtForUser(new(TestData.User, TestData.Password));
         jwt.ShouldNotBeNullOrEmpty();
 
         var responseMessage = await Client.SendAsync(new HttpRequestMessage(HttpMethod.Get,
diff --git a/backend/Testing/SyncReverseProxy/SendReceiveServiceTests.cs b/backend/Testing/SyncReverseProxy/SendReceiveServiceTests.cs
index d3d2ea850f..d5c3cc6594 100644
--- a/backend/Testing/SyncReverseProxy/SendReceiveServiceTests.cs
+++ b/backend/Testing/SyncReverseProxy/SendReceiveServiceTests.cs
@@ -1,6 +1,7 @@
 using System.IO.Compression;
 using System.Runtime.CompilerServices;
 using Chorus.VcsDrivers.Mercurial;
+using LexBoxApi.Auth;
 using LexCore.Utils;
 using Shouldly;
 using SIL.Progress;
@@ -78,7 +79,9 @@ public async Task VerifyHgWorking()
     [Fact]
     public void CloneBigProject()
     {
-        RunCloneSendReceive(HgProtocol.Hgweb, "admin", "elawa-dev-flex");
+        RunCloneSendReceive(HgProtocol.Hgweb,
+            new SendReceiveAuth("admin", TestingEnvironmentVariables.DefaultPassword),
+            "elawa-dev-flex");
     }
 
     [Theory]
@@ -88,13 +91,28 @@ public void CloneBigProject()
     [InlineData(HgProtocol.Resumable, "manager")]
     public void CanCloneSendReceive(HgProtocol hgProtocol, string user)
     {
-        RunCloneSendReceive(hgProtocol, user, TestingEnvironmentVariables.ProjectCode);
+        RunCloneSendReceive(hgProtocol,
+            new SendReceiveAuth(user, TestingEnvironmentVariables.DefaultPassword),
+            TestingEnvironmentVariables.ProjectCode);
     }
-    private void RunCloneSendReceive(HgProtocol hgProtocol, string user, string projectCode)
+
+    [Theory]
+    [InlineData(HgProtocol.Hgweb, "admin")]
+    [InlineData(HgProtocol.Hgweb, "manager")]
+    [InlineData(HgProtocol.Resumable, "admin")]
+    [InlineData(HgProtocol.Resumable, "manager")]
+    public async Task CanCloneSendReceiveWithJwtOverBasicAuth(HgProtocol hgProtocol, string user)
+    {
+        var jwt = await JwtHelper.GetJwtForUser(new SendReceiveAuth(user, TestingEnvironmentVariables.DefaultPassword));
+        RunCloneSendReceive(hgProtocol,
+            new SendReceiveAuth(AuthKernel.JwtOverBasicAuthUsername, jwt),
+            TestingEnvironmentVariables.ProjectCode);
+    }
+
+    private void RunCloneSendReceive(HgProtocol hgProtocol, SendReceiveAuth auth, string projectCode)
     {
-        var auth = new SendReceiveAuth(user, TestingEnvironmentVariables.DefaultPassword);
         var sendReceiveParams = new SendReceiveParams(projectCode, hgProtocol.GetTestHostName(),
-            GetProjectDir(projectCode, Path.Join(hgProtocol.ToString(), user)));
+            GetProjectDir(projectCode, Path.Join(hgProtocol.ToString(), auth.Username)));
         var projectDir = sendReceiveParams.DestDir;
         var fwDataFile = sendReceiveParams.FwDataFile;