[Tests] Change the guid of the test project to allow to use VS. (#3538)

tests/bcl-test/System.IdentityModel/System.IdentityModel.csproj.template

@@ -5,7 +5,7 @@
     <Platform Condition=" '$(Platform)' == '' ">iPhoneSimulator</Platform>
     <ProductVersion>10.0.0</ProductVersion>
     <SchemaVersion>2.0</SchemaVersion>
-    <ProjectGuid>{CDC6BB95-DDC4-4F33-B9BD-3BB3FE42199E}</ProjectGuid>
+    <ProjectGuid>{0B7577C9-4A21-4C6B-BDBB-CFA64FC16E36}</ProjectGuid>
     <ProjectTypeGuids>{FEACFBD2-3405-455C-9665-78FE426C6842};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <OutputType>Exe</OutputType>
     <RootNamespace>BCL.Tests</RootNamespace>