Remove leftover un-needed assert in DS tests (dotnet/corefx#26555)

Commit migrated from https://github.com/dotnet/corefx/commit/8723c28b0805e03b392b7969353717134c31c43b

diff --git a/src/libraries/System.DirectoryServices/tests/System/DirectoryServices/ActiveDirectory/ForestTests.cs b/src/libraries/System.DirectoryServices/tests/System/DirectoryServices/ActiveDirectory/ForestTests.cs
index c2b9bb3..1cf2af3 100644 (file)
--- a/src/libraries/System.DirectoryServices/tests/System/DirectoryServices/ActiveDirectory/ForestTests.cs
+++ b/src/libraries/System.DirectoryServices/tests/System/DirectoryServices/ActiveDirectory/ForestTests.cs
@@ -58,7 +58,6 @@ namespace System.DirectoryServices.ActiveDirectory.Tests
             var context = new DirectoryContext(type, name);
             if (!PlatformDetection.IsDomainJoinedMachine)
             {
-                Assert.Throws<ActiveDirectoryObjectNotFoundException>(() => Forest.GetForest(context));
                 Exception exception = Record.Exception(() => Forest.GetForest(context));
                 Assert.NotNull(exception);
                 Assert.True(exception is ActiveDirectoryObjectNotFoundException ||