Moved all UnitTests to a single project. Implemented parts of AspNetCore UnitTests.

UnitTests/Common/Utils/CryptographyHelperSaltMock.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Security.Cryptography;
+using ReflectionMagic;
+
+namespace UnitTests.Common.Utils
+{
+	[System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
+	internal class CryptographyHelperSaltMock : IDisposable
+	{
+		private readonly int saltLength;
+
+		private CryptographyHelperSaltMock(int saltLength)
+		{
+			this.saltLength = typeof(CryptographyHelper).AsDynamicType().saltLength;
+			SetSaltLength(saltLength);
+		}
+
+		public static IDisposable Create(int saltLength)
+			=> new CryptographyHelperSaltMock(saltLength);
+
+		public void Dispose()
+			=> SetSaltLength(saltLength);
+
+		private static void SetSaltLength(int length)
+			=> typeof(CryptographyHelper).AsDynamicType().saltLength = length;
+	}
+}