[bcl] Remove AssertExtensions helper classes (#5828)

* [bcl] Remove AssertExtensions helper classes

Since we're on nunitlite now we can use the proper `Assert.Throws<>()`
instead and remove the helper class (which we actually duplicated!)

2 files changed, 2 insertions, 5 deletions

diff --git a/mcs/class/System.Web.Abstractions/System.Web.Abstractions_test.dll.sources b/mcs/class/System.Web.Abstractions/System.Web.Abstractions_test.dll.sources
index f8dc12198ea..c7865c6a9ed 100644
--- a/mcs/class/System.Web.Abstractions/System.Web.Abstractions_test.dll.sources
+++ b/mcs/class/System.Web.Abstractions/System.Web.Abstractions_test.dll.sources
@@ -1,3 +1,2 @@
-../../System.Web.DynamicData/Test/Common/AssertExtensions.cs
 System.Web/HttpApplicationStateBaseTest.cs
 System.Web/HttpFileCollectionWrapperTest.cs
diff --git a/mcs/class/System.Web.Abstractions/Test/System.Web/HttpFileCollectionWrapperTest.cs b/mcs/class/System.Web.Abstractions/Test/System.Web/HttpFileCollectionWrapperTest.cs
index 14c41ea19fc..9e659054e76 100644
--- a/mcs/class/System.Web.Abstractions/Test/System.Web/HttpFileCollectionWrapperTest.cs
+++ b/mcs/class/System.Web.Abstractions/Test/System.Web/HttpFileCollectionWrapperTest.cs
@@ -30,8 +30,6 @@ using System;
 using System.Web;
 using NUnit.Framework;
 
-using MonoTests.Common;
-
 namespace MonoTests.System.Web
 {
 	[TestFixture]
@@ -55,7 +53,7 @@ namespace MonoTests.System.Web
 			var files = req.Files;
 			var wrapper = new HttpFileCollectionWrapper (files);
 
-			AssertExtensions.Throws<ArgumentOutOfRangeException> (() => {
+			Assert.Throws<ArgumentOutOfRangeException> (() => {
 				wrapper.Get (0);
 			}, "#A1");
 		}
@@ -78,7 +76,7 @@ namespace MonoTests.System.Web
 			var files = req.Files;
 			var wrapper = new HttpFileCollectionWrapper (files);
 
-			AssertExtensions.Throws<ArgumentOutOfRangeException> (() => {
+			Assert.Throws<ArgumentOutOfRangeException> (() => {
 				var f = wrapper [0];
 			}, "#A1");
 		}