Adding unit test project to VS solution

because that inform about compile errors because of changes in function identity

DSP unit test build fix

Source/UnitTests/UnitTests.vcxproj.filters

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Audio">
+      <UniqueIdentifier>{cde9a42c-90d9-4bc9-9182-3fcc0cf9f7a4}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="AudioJitTests.cpp">
+      <Filter>Audio</Filter>
+    </ClCompile>
+    <ClCompile Include="DSPJitTester.cpp">
+      <Filter>Audio</Filter>
+    </ClCompile>
+    <ClCompile Include="UnitTests.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="DSPJitTester.h">
+      <Filter>Audio</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>