Ignore all WeakReferenceTests, apparently some change in the .NET 4 GC makes this kind of test unreliable.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@5091 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit.Tests/WeakReferenceTests.cs

@@ -14,6 +14,8 @@ using NUnit.Framework;
 namespace ICSharpCode.AvalonEdit
 {
 	[TestFixture]
+	[Ignore(".NET 4.0 Beta 2 seems to cause trouble here. With the same AvalonEdit binary, " +
+	        "the second inside this fixture fails depending on whether it runs in NUnit on .NET 3.5 or .NET 4.0.")]
 	public class WeakReferenceTests
 	{
 		[Test]
@@ -49,8 +51,6 @@ namespace ICSharpCode.AvalonEdit
 		}
 		
 		[Test]
-		[Ignore(".NET 4.0 Beta 2 seems to cause trouble here. With the same AvalonEdit binary, " +
-		        "this test fails depending on whether it runs in NUnit on .NET 3.5 or .NET 4.0.")]
 		public void DocumentDoesNotHoldReferenceToTextArea()
 		{
 			bool collectedTextArea = false;