diff --git a/X10D.Tests/src/Text/CharTests.cs b/X10D.Tests/src/Text/CharTests.cs
index cc6d941..387016d 100644
--- a/X10D.Tests/src/Text/CharTests.cs
+++ b/X10D.Tests/src/Text/CharTests.cs
@@ -9,11 +9,14 @@ internal class CharTests
     [Test]
     public void IsEmoji_ShouldReturnTrue_GivenBasicEmoji()
     {
-        Assert.That('✂'.IsEmoji());
-        Assert.That('✅'.IsEmoji());
-        Assert.That('❎'.IsEmoji());
-        Assert.That('➕'.IsEmoji());
-        Assert.That('➖'.IsEmoji());
+        Assert.Multiple(() =>
+        {
+            Assert.That('✂'.IsEmoji());
+            Assert.That('✅'.IsEmoji());
+            Assert.That('❎'.IsEmoji());
+            Assert.That('➕'.IsEmoji());
+            Assert.That('➖'.IsEmoji());
+        });
     }
 
     [Test]
diff --git a/X10D.Tests/src/Text/MarkdownTests.cs b/X10D.Tests/src/Text/MarkdownTests.cs
index 1ce8d5f..46a70ad 100644
--- a/X10D.Tests/src/Text/MarkdownTests.cs
+++ b/X10D.Tests/src/Text/MarkdownTests.cs
@@ -70,12 +70,15 @@ internal class MarkdownTests
     [Test]
     public void MDHeading_ShouldReturnHeadingText_GivenText()
     {
-        Assert.That("Hello, world!".MDHeading(1), Is.EqualTo("# Hello, world!"));
-        Assert.That("Hello, world!".MDHeading(2), Is.EqualTo("## Hello, world!"));
-        Assert.That("Hello, world!".MDHeading(3), Is.EqualTo("### Hello, world!"));
-        Assert.That("Hello, world!".MDHeading(4), Is.EqualTo("#### Hello, world!"));
-        Assert.That("Hello, world!".MDHeading(5), Is.EqualTo("##### Hello, world!"));
-        Assert.That("Hello, world!".MDHeading(6), Is.EqualTo("###### Hello, world!"));
+        Assert.Multiple(() =>
+        {
+            Assert.That("Hello, world!".MDHeading(1), Is.EqualTo("# Hello, world!"));
+            Assert.That("Hello, world!".MDHeading(2), Is.EqualTo("## Hello, world!"));
+            Assert.That("Hello, world!".MDHeading(3), Is.EqualTo("### Hello, world!"));
+            Assert.That("Hello, world!".MDHeading(4), Is.EqualTo("#### Hello, world!"));
+            Assert.That("Hello, world!".MDHeading(5), Is.EqualTo("##### Hello, world!"));
+            Assert.That("Hello, world!".MDHeading(6), Is.EqualTo("###### Hello, world!"));
+        });
     }
 
     [Test]