Working with unit tests and making a few corrections around ContentTypes.

src/Umbraco.Tests/CodeFirst/TestModels/Composition/Meta.cs

@@ -1,13 +1,19 @@
 using Umbraco.Tests.CodeFirst.Attributes;
+using umbraco.editorControls.textfield;
+using umbraco.editorControls.textfieldmultiple;
 
 namespace Umbraco.Tests.CodeFirst.TestModels.Composition
 {
-    public class Meta : IMeta
+    public class Meta : ContentTypeBase, IMeta
     {
-         
+        [PropertyType(typeof(TextFieldDataType), PropertyGroup = "Content")]
+        public string MetaKeywords { get; set; }
+
+        [PropertyType(typeof(textfieldMultipleDataType))]
+        public string MetaDescription { get; set; }
     }
 
-    [Alias("meta", Name = "Meta")]
+    [Mixin(typeof(Meta))]
     public interface IMeta
     {}
 }