Add instructions to manual UI test

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue214.cs

@@ -12,9 +12,12 @@ namespace Xamarin.Forms.Controls.Issues
 	{
 		public Issue214 ()
 		{
+			var instructions = new Label { Text = "The text of each item should be visually distinct from the " +
+				"detail of each item. If both typefaces are identical, this test has failed." };
+
 			var items = Enumerable.Range (0, 50).Select (i => new TextCell {
-				Text = i.ToString (),
+				Text = "Text" + i.ToString (),
-				Detail = i.ToString ()
+				Detail = "Detail" + i.ToString ()
 			}).ToList ();
 
 			var tableSection = new TableSection("First Section");
@@ -31,7 +34,10 @@ namespace Xamarin.Forms.Controls.Issues
 			};
 
 			tableLayout.Intent = TableIntent.Data;
-			Content = tableLayout;
+			Content = new StackLayout
+			{
+				Children = { instructions, tableLayout }
+			};
 		}
 	}
 }