chore: rename xUnit to xunit

Author: mxschmitt

src/Playwright.xUnit/BrowserService.cs src/Playwright.xunit/BrowserService.cssrc/Playwright.xUnit/BrowserService.cs renamed to src/Playwright.xunit/BrowserService.cs

@@ -25,6 +25,8 @@
 using System;
 using System.Collections.Generic;
 using System.Globalization;
+using System.Text.Json;
+using System.Text.Json.Serialization;
 using System.Threading.Tasks;
 using Microsoft.Playwright.TestAdapter;
 
@@ -65,7 +67,7 @@ private static async Task<IBrowser> CreateBrowser(IBrowserType browserType)
             ExposeNetwork = exposeNetwork,
             Headers = new Dictionary<string, string>
             {
-                ["Authorization"] = $"Bearer {accessToken}"
+                ["Authorization"] = $"Bearer {accessToken}",
                 ["x-playwright-launch-options"] = JsonSerializer.Serialize(PlaywrightSettingsProvider.LaunchOptions, new JsonSerializerOptions() { DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull })
             }
         };