fix tests

Jellyfin.Api/Controllers/BrandingController.cs

@@ -51,12 +51,7 @@ namespace Jellyfin.Api.Controllers
         public ActionResult<string> GetBrandingCss()
         {
             var options = _serverConfigurationManager.GetConfiguration<BrandingOptions>("branding");
-            if (string.IsNullOrEmpty(options.CustomCss))
-            {
-                return NoContent();
-            }
-
-            return options.CustomCss;
+            return options.CustomCss ?? string.Empty;
         }
     }
 }

MediaBrowser.Api/TestService.cs

@@ -0,0 +1,26 @@
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Net;
+using Microsoft.Extensions.Logging;
+
+namespace MediaBrowser.Api
+{
+    /// <summary>
+    /// Service for testing path value.
+    /// </summary>
+    public class TestService : BaseApiService
+    {
+        /// <summary>
+        /// Test service.
+        /// </summary>
+        /// <param name="logger">Instance of the <see cref="ILogger{TestService}"/> interface.</param>
+        /// <param name="serverConfigurationManager">Instance of the <see cref="IServerConfigurationManager"/> interface.</param>
+        /// <param name="httpResultFactory">Instance of the <see cref="IHttpResultFactory"/> interface.</param>
+        public TestService(
+            ILogger<TestService> logger,
+            IServerConfigurationManager serverConfigurationManager,
+            IHttpResultFactory httpResultFactory)
+            : base(logger, serverConfigurationManager, httpResultFactory)
+        {
+        }
+    }
+}

tests/Jellyfin.Api.Tests/GetPathValueTests.cs

@@ -31,8 +31,8 @@ namespace Jellyfin.Api.Tests
 
             var confManagerMock = Mock.Of<IServerConfigurationManager>(x => x.Configuration == conf);
 
-            var service = new BrandingService(
-                new NullLogger<BrandingService>(),
+            var service = new TestService(
+                new NullLogger<TestService>(),
                 confManagerMock,
                 Mock.Of<IHttpResultFactory>())
             {

tests/MediaBrowser.Api.Tests/BrandingServiceTests.cs

@@ -43,7 +43,7 @@ namespace MediaBrowser.Api.Tests
 
             // Assert
             response.EnsureSuccessStatusCode();
-            Assert.Equal("text/css", response.Content.Headers.ContentType.ToString());
+            Assert.Equal("text/css; charset=utf-8", response.Content.Headers.ContentType.ToString());
         }
     }
 }