docs: broken sample code

Author: egil

docs/samples/tests/xunit/HelloWorldExplicitContext.cs

@@ -1,3 +1,6 @@
+using Bunit;
+using Xunit;
+
 namespace Bunit.Docs.Samples;
 
 public class HelloWorldExplicitContext

docs/site/docs/providing-input/passing-parameters-to-components.md

@@ -414,7 +414,7 @@ There are scenarios where it is not possible or not desirable to inherit from `T
 
 # [C# test code](#tab/csharp)
 
-[!code-csharp[HelloWorldExplicitContext.cs](../../../samples/tests/xunit/HelloWorldExplicitContext.cs#L5-L16)] 
+[!code-csharp[HelloWorldExplicitContext.cs](../../../samples/tests/xunit/HelloWorldExplicitContext.cs#L6-L16)] 
 
 # [Razor test code](#tab/razor)