Cannot mocked a static class with SharePoint objects

var spListItem = Isolate.Fake.Instance<SPListItem>();

Isolate.Fake.StaticMethods<A>(Members.ReturnRecursiveFakes);
Isolate.WhenCalled(() => A.Method("1", "2"))
          .WithExactArguments()
          .WillReturnCollectionValuesOf(new[] { spListItem });

var spListItem = Isolate.Fake.Instance<SPListItem>();

Isolate.Fake.StaticMethods<A>(Members.ReturnRecursiveFakes);
Isolate.WhenCalled((string s1, string s2) => A.Method(s1, s2))
          .AndArgumentsMatch((s1, s2) => s1.Equals("1") && s2.Equals("2"))
          .WillReturnCollectionValuesOf(new[] { spListItem });

public class A
     {
          public static SPListItemCollection Method(string string1, string string2)
          {
               return null;
          }
     }

TypeMock.TypeMockException
*** Can not fake methods defined in mscorlib, try faking the defining type
     à ik.b(Object A_0)
     à ik.d(Object A_0)
     à TypeMock.ArrangeActAssert.ExpectationEngine`1.<>c__DisplayClass22.b()
     à ik.a(Object A_0, Boolean A_1, Func`1 A_2, Action A_3, Action A_4, Action A_5, Boolean A_6)
     à TypeMock.ArrangeActAssert.ExpectationEngine`1.a(IEnumerable A_0)