Move Unit Tests notes to dedicated file

.NET/C#/C#.md

@@ -2860,44 +2860,6 @@ match.Groups[index].Index;  // position in the input string of the matched group
 
 ---
 
-## Unit Testing
-
-[Microsoft Unit Testing Tutorial](https://docs.microsoft.com/en-us/visualstudio/test/walkthrough-creating-and-running-unit-tests-for-managed-code?view=vs-2019)
-
-To test a project add a **MSTest Test Projet** to the solution.
-
-The test runner will execute any methods marked with `[TestInitialize]` once for every test the class contains, and will do so before running the actual test method itself.  
-The `[TestMethod]` attribute tells the test runner which methods represent tests.
-
-In `TestClass.cs`:
-
-```cs
-using System;
-using Microsoft.VisualStudio.TestTools.UnitTesting;
-
-namespace Project.Tests
-{
-    [TestClass]
-    public class TestClass
-    {
-        [TestMethod]
-        public void TestMethod()
-        {
-            Assert.AreEqual(expected, actual);
-            Assert.IsTrue(bool);
-            Assert.IsFalse(bool);
-            Assert.IsNotNull(nullable);
-
-            // assertions on collections
-            CollectionAssert.AreEqual(expexcted, actual),
-        }
-    }
-}
-```
-
-[UnitTest Overloaded Methods](https://stackoverflow.com/a/5666591/8319610)
-[Naming standards for unit tests](https://osherove.com/blog/2005/4/3/naming-standards-for-unit-tests.html)
-
 ## Performance Tips
 
 ### Bit Tricks

.NET/C#/Unit Testing.md

@@ -0,0 +1,41 @@
+# Unit Testing
+
+## MSTest
+
+[Microsoft Unit Testing Tutorial](https://docs.microsoft.com/en-us/visualstudio/test/walkthrough-creating-and-running-unit-tests-for-managed-code?view=vs-2019)
+
+To test a project add a **MSTest Test Projet** to the solution.
+
+The test runner will execute any methods marked with `[TestInitialize]` once for every test the class contains, and will do so before running the actual test method itself.  
+The `[TestMethod]` attribute tells the test runner which methods represent tests.
+
+In `TestClass.cs`:
+
+```cs
+using System;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace Project.Tests
+{
+    [TestClass]
+    public class TestClass
+    {
+        [TestMethod]
+        public void TestMethod()
+        {
+            Assert.AreEqual(expected, actual);
+            Assert.IsTrue(bool);
+            Assert.IsFalse(bool);
+            Assert.IsNotNull(nullable);
+
+            // assertions on collections
+            CollectionAssert.AreEqual(expexcted, actual),
+        }
+    }
+}
+```
+
+---
+
+[UnitTest Overloaded Methods](https://stackoverflow.com/a/5666591/8319610)
+[Naming standards for unit tests](https://osherove.com/blog/2005/4/3/naming-standards-for-unit-tests.html)