Moved all unit test files into a separate directory in preparation for splitting the project

Source/Collections/ItemEventArgs.Test.cs

@@ -1,55 +0,0 @@
-#region Apache License 2.0
-/*
-Nuclex .NET Framework
-Copyright (C) 2002-2024 Markus Ewald / Nuclex Development Labs
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-#endregion // Apache License 2.0
-
-#if UNITTEST
-
-using System;
-using System.Collections.Generic;
-
-using NUnit.Framework;
-
-namespace Nuclex.Support.Collections {
-
-  /// <summary>Unit Test for the item event argument container</summary>
-  [TestFixture]
-  internal class ItemEventArgsTest {
-
-    /// <summary>
-    ///   Tests whether an integer argument can be stored in the argument container
-    /// </summary>
-    [Test]
-    public void IntegersCanBeCarried() {
-      var test = new ItemEventArgs<int>(12345);
-      Assert.AreEqual(12345, test.Item);
-    }
-
-    /// <summary>
-    ///   Tests whether a string argument can be stored in the argument container
-    /// </summary>
-    [Test]
-    public void StringsCanBeCarried() {
-      var test = new ItemEventArgs<string>("hello world");
-      Assert.AreEqual("hello world", test.Item);
-    }
-
-  }
-
-} // namespace Nuclex.Support.Collections
-
-#endif // UNITTEST