diff --git a/Lombiq.Tests.UI.Samples/Tests/BasicVisualVerificationTests.cs b/Lombiq.Tests.UI.Samples/Tests/BasicVisualVerificationTests.cs
index a2372dec0..780c69b62 100644
--- a/Lombiq.Tests.UI.Samples/Tests/BasicVisualVerificationTests.cs
+++ b/Lombiq.Tests.UI.Samples/Tests/BasicVisualVerificationTests.cs
@@ -55,7 +55,7 @@ public Task VerifyBlogImage() =>
     // is the different rendering of text on each platform, but it can occur between different Linux distributions too.
     // Here: https://pandasauce.org/post/linux-fonts/ you can find a good summary about this from 2019, but still valid
     // in 2022.
-    [Theory, Chrome, Edge]
+    [Theory, Chrome, Edge(Skip = "Until not resolved: https://github.com/atata-framework/atata-webdriversetup/issues/16")]
     public Task VerifyNavbar(Browser browser) =>
         ExecuteTestAfterSetupAsync(
             context =>
diff --git a/Lombiq.Tests.UI.Samples/Tests/MultiBrowserTests.cs b/Lombiq.Tests.UI.Samples/Tests/MultiBrowserTests.cs
index c410f92be..da473c6ec 100644
--- a/Lombiq.Tests.UI.Samples/Tests/MultiBrowserTests.cs
+++ b/Lombiq.Tests.UI.Samples/Tests/MultiBrowserTests.cs
@@ -23,7 +23,9 @@ public MultiBrowserTests(ITestOutputHelper testOutputHelper)
 
     // First, let's see a test using Edge. While the default browser is Chrome if you don't set anything, all
     // ExecuteTest* methods can also accept a browser, if you want to use a different one.
-    [Fact]
+#pragma warning disable xUnit1004
+    [Fact(Skip = "Until not resolved: https://github.com/atata-framework/atata-webdriversetup/issues/16")]
+#pragma warning restore xUnit1004
     public Task AnonymousHomePageShouldExistWithEdge() =>
         ExecuteTestAfterSetupAsync(NavbarIsCorrect, Browser.Edge);
 
@@ -31,7 +33,7 @@ public Task AnonymousHomePageShouldExistWithEdge() =>
     // tests. [Chrome] and [Edge] are input parameters of the test, and thus in effect, you have now two tests:
     // AnonymousHomePageShouldExistMultiBrowser once with Chrome, and once with Edge. See here for more info:
     // https://andrewlock.net/creating-parameterised-tests-in-xunit-with-inlinedata-classdata-and-memberdata/.
-    [Theory, Chrome, Edge]
+    [Theory, Chrome, Edge(Skip = "Until not resolved: https://github.com/atata-framework/atata-webdriversetup/issues/16")]
     public Task AnonymousHomePageShouldExistMultiBrowser(Browser browser) =>
         ExecuteTestAfterSetupAsync(NavbarIsCorrect, browser);
 
diff --git a/Lombiq.Tests.UI/Extensions/HttpClientUITestContextExtensions.cs b/Lombiq.Tests.UI/Extensions/HttpClientUITestContextExtensions.cs
index d7f2142ef..b4cc23aba 100644
--- a/Lombiq.Tests.UI/Extensions/HttpClientUITestContextExtensions.cs
+++ b/Lombiq.Tests.UI/Extensions/HttpClientUITestContextExtensions.cs
@@ -1,5 +1,4 @@
 using Lombiq.Tests.UI.Services;
-using Newtonsoft.Json.Linq;
 using Shouldly;
 using System;
 using System.Collections.Generic;
@@ -25,6 +24,8 @@ namespace Lombiq.Tests.UI.Extensions;
         Justification = "Disposed by the HttpClient.")]
 public static class HttpClientUITestContextExtensions
 {
+    private static readonly JsonSerializerOptions JsonSerializerOptions = new(JsonSerializerDefaults.Web);
+
     public static HttpClient CreateClient(this UITestContext context)
     {
         var handler = new HttpClientHandler
@@ -102,8 +103,7 @@ public static async Task<TObject> GetAndReadResponseContentAsync<TObject>(
         where TObject : class
     {
         var content = await GetAndReadResponseContentAsync(context, client, requestUri);
-        var parsed = JToken.Parse(content);
-        return parsed.ToObject<TObject>();
+        return Deserialize<TObject>(content);
     }
 
     /// <summary>
@@ -117,7 +117,7 @@ public static async Task<string> PostAndReadResponseContentAsync(
         string requestUri,
         string json)
     {
-        using var response = await PostAndGetResponseAsync(client, requestUri, json);
+        using var response = await PostAndGetResponseAsync(client, json, requestUri);
         return await response.Content.ReadAsStringAsync();
     }
 
@@ -129,16 +129,29 @@ public static async Task<string> PostAndReadResponseContentAsync(
     public static async Task<TObject> PostAndReadResponseContentAsync<TObject>(
         this UITestContext context,
         HttpClient client,
-        string requestUri,
-        string json)
-        where TObject : class
-    {
-        using var response = await PostAndGetResponseAsync(client, requestUri, json);
-        var content = await response.Content.ReadAsStringAsync();
-        var parsed = JToken.Parse(content);
+        string json,
+        string requestUri)
+        where TObject : class =>
+        Deserialize<TObject>(await context.PostAndReadResponseContentAsync(
+            client,
+            requestUri,
+            json));
 
-        return parsed.ToObject<TObject>();
-    }
+    /// <summary>
+    /// Issues a POST request to the given <paramref name="requestUri"/> using the provided
+    /// <paramref name="objectToSerialize"/>, that will be serialized as JSON, then the response content is deserialized
+    /// to the given <typeparamref name="TObject"/> and returned.
+    /// </summary>
+    public static async Task<TObject> PostAndReadResponseContentAsync<TObject>(
+        this UITestContext context,
+        HttpClient client,
+        object objectToSerialize,
+        string requestUri)
+        where TObject : class =>
+        Deserialize<TObject>(await context.PostAndReadResponseContentAsync(
+            client,
+            requestUri,
+            Serialize(objectToSerialize)));
 
     /// <summary>
     /// Issues a POST request to the given <paramref name="requestUri"/> using the provided
@@ -149,11 +162,8 @@ public static Task<string> PostAndReadResponseContentAsync(
         this UITestContext context,
         HttpClient client,
         object objectToSerialize,
-        string requestUri)
-    {
-        var json = JsonSerializer.Serialize(objectToSerialize);
-        return PostAndReadResponseContentAsync(context, client, requestUri, json);
-    }
+        string requestUri) =>
+        PostAndReadResponseContentAsync(context, client, requestUri, Serialize(objectToSerialize));
 
     /// <summary>
     /// Issues a POST request to the given <paramref name="requestUri"/> using the provided
@@ -164,11 +174,8 @@ public static Task<HttpResponseMessage> PostAndGetResponseAsync(
         this UITestContext context,
         HttpClient client,
         object objectToSerialize,
-        string requestUri)
-    {
-        var json = JsonSerializer.Serialize(objectToSerialize);
-        return PostAndGetResponseAsync(client, requestUri, json);
-    }
+        string requestUri) =>
+        PostAndGetResponseAsync(client, Serialize(objectToSerialize), requestUri);
 
     /// <summary>
     /// Issues a POST request to the given <paramref name="requestUri"/> using the provided <paramref name="json"/>.
@@ -176,8 +183,8 @@ public static Task<HttpResponseMessage> PostAndGetResponseAsync(
     /// <returns>The <see cref="HttpResponseMessage"/>.</returns>
     public static async Task<HttpResponseMessage> PostAndGetResponseAsync(
         HttpClient client,
-        string requestUri,
-        string json)
+        string json,
+        string requestUri)
     {
         var stringContent = new StringContent(json, Encoding.UTF8, MediaTypeNames.Application.Json);
         var response = await client.PostAsync(requestUri, stringContent);
@@ -185,6 +192,11 @@ public static async Task<HttpResponseMessage> PostAndGetResponseAsync(
         return response;
     }
 
+    /// <summary>
+    /// Issues a POST request to the given <paramref name="requestUri"/> using the provided
+    /// <paramref name="objectToSerialize"/>, that will be serialized as JSON, then the response is checked if it's the
+    /// <paramref name="expected"/> status code.
+    /// </summary>
     public static async Task PostAndResponseStatusCodeShouldBeAsync(
         this UITestContext context,
         HttpClient client,
@@ -195,4 +207,18 @@ public static async Task PostAndResponseStatusCodeShouldBeAsync(
         using var response = await context.PostAndGetResponseAsync(client, objectToSerialize, requestUri);
         response.StatusCode.ShouldBe(expected);
     }
+
+    /// <summary>
+    /// Returns the serialized object as JSON using the default <see cref="JOptions"/> settings.
+    /// </summary>
+    public static string Serialize(object objectToSerialize) =>
+        JsonSerializer.Serialize(objectToSerialize, JsonSerializerOptions);
+
+    /// <summary>
+    /// Deserializes the provided <paramref name="content"/> to the given <typeparamref name="TObject"/> using the
+    /// default <see cref="JOptions"/> settings.
+    /// </summary>
+    public static TObject Deserialize<TObject>(string content)
+        where TObject : class =>
+        JsonSerializer.Deserialize<TObject>(content, JsonSerializerOptions);
 }