Tests are failing after upgrade to 5.2.2

 [TestFixture, Isolated]
    public class Tests
    {

        [Test,Isolated]
        public void UninitializedFieldExceptionDemo()
        {
            Database m_Database = Isolate.Fake.Instance<Database>();
            Isolate.WhenCalled(() => DatabaseFactory.CreateDatabase()).WillReturn(m_Database);
            DbConnection m_Connection = Isolate.Fake.Instance<DbConnection>();
            Isolate.WhenCalled(() => m_Database.CreateConnection()).WillReturn(m_Connection);
            SomeClass m_ClassMock = Isolate.Fake.Instance<SomeClass>();
        }
    }

    public class SomeClass
    {
        
    }

TypeMock.TypeMockException:
*** The call to System.Text.RegularExpressions.ExclusiveReference.Get() was made on an uninitialized field.
at System.Text.RegularExpressions.ExclusiveReference.Get()
at System.Text.RegularExpressions.Regex.Run(Boolean quick, Int32 prevlen, String input, Int32 beginning, Int32 length, Int32 startat)
at System.Text.RegularExpressions.Regex.IsMatch(String input)
at dy.Instance<T>(Members behavior)
at dy.Instance<T>()
at Tests.Tests.UninitializedFieldExceptionDemo() in Tests.cs: line 19
at TypeMock.MockManager.a(String A_0, String A_1, Object A_2, Object A_3, Boolean A_4, Object[] A_5)
at TypeMock.InternalMockManager.getReturn(Object that, String typeName, String methodName, Object methodParameters, Boolean isInjected)
at Tests.Tests.UninitializedFieldExceptionDemo() in Tests.cs: line 0

 SomeClass m_ClassMock = Isolate.Fake.Instance<SomeClass>();