diff --git a/tests/Jellyfin.Server.Integration.Tests/Controllers/StartupControllerTests.cs b/tests/Jellyfin.Server.Integration.Tests/Controllers/StartupControllerTests.cs
new file mode 100644
index 0000000000..169a5a6c52
--- /dev/null
+++ b/tests/Jellyfin.Server.Integration.Tests/Controllers/StartupControllerTests.cs
@@ -0,0 +1,119 @@
+using System;
+using System.Net;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Net.Mime;
+using System.Text.Json;
+using System.Threading.Tasks;
+using Jellyfin.Api.Models.StartupDtos;
+using MediaBrowser.Common.Json;
+using Xunit;
+using Xunit.Priority;
+
+namespace Jellyfin.Server.Integration.Tests.Controllers
+{
+    [TestCaseOrderer(PriorityOrderer.Name, PriorityOrderer.Assembly)]
+    public sealed class StartupControllerTests : IClassFixture<JellyfinApplicationFactory>
+    {
+        private readonly JellyfinApplicationFactory _factory;
+        private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.Options;
+
+        public StartupControllerTests(JellyfinApplicationFactory factory)
+        {
+            _factory = factory;
+        }
+
+        [Fact]
+        [Priority(-2)]
+        public async Task Configuration_EditConfig_Success()
+        {
+            var client = _factory.CreateClient();
+
+            var config = new StartupConfigurationDto()
+            {
+                UICulture = "NewCulture",
+                MetadataCountryCode = "be",
+                PreferredMetadataLanguage = "nl"
+            };
+
+            using var postContent = new ByteArrayContent(JsonSerializer.SerializeToUtf8Bytes(config, _jsonOptions));
+            postContent.Headers.ContentType = MediaTypeHeaderValue.Parse(MediaTypeNames.Application.Json);
+            using var postResponse = await client.PostAsync("/Startup/Configuration", postContent).ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.NoContent, postResponse.StatusCode);
+
+            using var getResponse = await client.GetAsync("/Startup/Configuration").ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.OK, getResponse.StatusCode);
+            Assert.Equal(MediaTypeNames.Application.Json, getResponse.Content.Headers.ContentType?.MediaType);
+
+            using var responseStream = await getResponse.Content.ReadAsStreamAsync().ConfigureAwait(false);
+            var newConfig = await JsonSerializer.DeserializeAsync<StartupConfigurationDto>(responseStream, _jsonOptions).ConfigureAwait(false);
+            Assert.Equal(config.UICulture, newConfig!.UICulture);
+            Assert.Equal(config.MetadataCountryCode, newConfig.MetadataCountryCode);
+            Assert.Equal(config.PreferredMetadataLanguage, newConfig.PreferredMetadataLanguage);
+        }
+
+        [Fact]
+        [Priority(-2)]
+        public async Task User_DefaultUser_NameWithoutPassword()
+        {
+            var client = _factory.CreateClient();
+
+            using var response = await client.GetAsync("/Startup/User").ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+            Assert.Equal(MediaTypeNames.Application.Json, response.Content.Headers.ContentType?.MediaType);
+
+            using var contentStream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
+            var user = await JsonSerializer.DeserializeAsync<StartupUserDto>(contentStream, _jsonOptions).ConfigureAwait(false);
+            Assert.NotEmpty(user!.Name);
+            Assert.Null(user.Password);
+        }
+
+        [Fact]
+        [Priority(-1)]
+        public async Task User_EditUser_Success()
+        {
+            var client = _factory.CreateClient();
+
+            var user = new StartupUserDto()
+            {
+                Name = "NewName",
+                Password = "NewPassword"
+            };
+
+            using var postContent = new ByteArrayContent(JsonSerializer.SerializeToUtf8Bytes(user, _jsonOptions));
+            postContent.Headers.ContentType = MediaTypeHeaderValue.Parse(MediaTypeNames.Application.Json);
+            var postResponse = await client.PostAsync("/Startup/User", postContent).ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.NoContent, postResponse.StatusCode);
+
+            var getResponse = await client.GetAsync("/Startup/User").ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.OK, getResponse.StatusCode);
+            Assert.Equal(MediaTypeNames.Application.Json, getResponse.Content.Headers.ContentType?.MediaType);
+
+            var contentStream = await getResponse.Content.ReadAsStreamAsync().ConfigureAwait(false);
+            var newUser = await JsonSerializer.DeserializeAsync<StartupUserDto>(contentStream, _jsonOptions).ConfigureAwait(false);
+            Assert.Equal(user.Name, newUser!.Name);
+            Assert.NotEmpty(newUser.Password);
+            Assert.NotEqual(user.Password, newUser.Password);
+        }
+
+        [Fact]
+        [Priority(0)]
+        public async Task CompleteWizard_Success()
+        {
+            var client = _factory.CreateClient();
+
+            var response = await client.PostAsync("/Startup/Complete", new ByteArrayContent(Array.Empty<byte>())).ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.NoContent, response.StatusCode);
+        }
+
+        [Fact]
+        [Priority(1)]
+        public async Task GetFirstUser_CompleteWizard_Unauthorized()
+        {
+            var client = _factory.CreateClient();
+
+            using var response = await client.GetAsync("/Startup/User").ConfigureAwait(false);
+            Assert.Equal(HttpStatusCode.Unauthorized, response.StatusCode);
+        }
+    }
+}
diff --git a/tests/Jellyfin.Server.Integration.Tests/Jellyfin.Server.Integration.Tests.csproj b/tests/Jellyfin.Server.Integration.Tests/Jellyfin.Server.Integration.Tests.csproj
index b0a38736ae..34cef90050 100644
--- a/tests/Jellyfin.Server.Integration.Tests/Jellyfin.Server.Integration.Tests.csproj
+++ b/tests/Jellyfin.Server.Integration.Tests/Jellyfin.Server.Integration.Tests.csproj
@@ -17,6 +17,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
+    <PackageReference Include="Xunit.Priority" Version="1.1.6" />
     <PackageReference Include="coverlet.collector" Version="3.0.3" />
     <PackageReference Include="Moq" Version="4.16.0" />
   </ItemGroup>