Address CodeRabbit review feedback

Author: Jaben

examples/EncryptPdf/Program.cs

@@ -22,12 +22,12 @@
 
 static async Task<string> CreateEncryptedPdf(string destinationDirectory, GotenbergSharpClientOptions options)
 {
-    using var handler = new HttpClientHandler();
-    using var authHandler = !string.IsNullOrWhiteSpace(options.BasicAuthUsername) && !string.IsNullOrWhiteSpace(options.BasicAuthPassword)
-        ? new BasicAuthHandler(options.BasicAuthUsername, options.BasicAuthPassword) { InnerHandler = handler }
-        : null;
+    var handler = new HttpClientHandler();
+    HttpMessageHandler effectiveHandler = handler;
+    if (!string.IsNullOrWhiteSpace(options.BasicAuthUsername) && !string.IsNullOrWhiteSpace(options.BasicAuthPassword))
+        effectiveHandler = new BasicAuthHandler(options.BasicAuthUsername, options.BasicAuthPassword) { InnerHandler = handler };
 
-    using var httpClient = new HttpClient(authHandler ?? (HttpMessageHandler)handler)
+    using var httpClient = new HttpClient(effectiveHandler, disposeHandler: true)
     {
         BaseAddress = options.ServiceUrl,
         Timeout = options.TimeOut

test/GotenbergSharpClient.Tests/EncryptionOptionsTests.cs

@@ -106,7 +106,7 @@ public void SetUserPassword_WithEmptyString_ThrowsArgumentException()
     #region HTTP Content Serialization Tests
 
     [Test]
-    public void UserPassword_SerializesToCorrectHttpContent()
+    public async Task UserPassword_SerializesToCorrectHttpContent()
     {
         var options = new PdfOutputOptions
         {
@@ -118,11 +118,11 @@ public void UserPassword_SerializesToCorrectHttpContent()
             c.Headers.ContentDisposition?.Name == "userPassword");
 
         content.Should().NotBeNull();
-        content!.ReadAsStringAsync().Result.Should().Be("openme");
+        (await content!.ReadAsStringAsync()).Should().Be("openme");
     }
 
     [Test]
-    public void OwnerPassword_SerializesToCorrectHttpContent()
+    public async Task OwnerPassword_SerializesToCorrectHttpContent()
     {
         var options = new PdfOutputOptions
         {
@@ -134,7 +134,7 @@ public void OwnerPassword_SerializesToCorrectHttpContent()
             c.Headers.ContentDisposition?.Name == "ownerPassword");
 
         content.Should().NotBeNull();
-        content!.ReadAsStringAsync().Result.Should().Be("editme");
+        (await content!.ReadAsStringAsync()).Should().Be("editme");
     }
 
     [Test]
@@ -154,6 +154,7 @@ public void NullPasswords_NotIncludedInHttpContent()
 
     #region Integration Tests
 
+    [Category("Integration")]
     [Test]
     public async Task HtmlToPdf_WithEncryption_Succeeds()
     {