Initial commit

HelloWorldApp.Tests/UnitTest1.cs

@@ -0,0 +1,15 @@
+using HelloWorldApp;
+
+namespace HelloWorldApp.Tests;
+
+public class UnitTest1
+{
+    [Fact]
+    public void GetGreeting_ReturnsHelloWorld()
+    {
+        var service = new HelloService();
+        var result = service.GetGreeting();
+
+        Assert.Equal("Hello, World!", result);
+    }
+}