added support for DescriptionAttribute

Author: kkozmic

ConventionTests/Conventions/Internal/ConventionTestBase.cs

@@ -1,19 +1,29 @@
 namespace ConventionTests
 {
+    using System.ComponentModel;
     using ApprovalTests;
 
     public abstract class ConventionTestBase : IConventionTest
     {
         public virtual string Name
         {
-            get { return GetType().Name.Replace('_', ' '); }
+            get
+            {
+                var descriptions = GetType().GetCustomAttributes(typeof (DescriptionAttribute), false);
+                if (descriptions.Length == 1)
+                {
+                    return ((DescriptionAttribute) descriptions[0]).Description;
+                }
+                return GetType().Name.Replace('_', ' ');
+            }
         }
 
         public abstract void Execute(IAssert assert);
 
         protected void Approve(string message)
         {
-            Approvals.Verify(new ApprovalTextWriter(message), new ConventionTestNamer(GetType().Name),
+            Approvals.Verify(new ApprovalTextWriter(message),
+                             new ConventionTestNamer(GetType().Name),
                              Approvals.GetReporter());
         }
     }